Hole Is Mine Fast Progression: Skip the Grind & Go Deep

Hole Is Mine fast progression is the difference between a tedious 10-hour slog and a satisfying 5-hour descent, because the game's incremental loop rewards smart preparation over raw grinding. With roughly 40 depths to purify, 300+ upgrades across four trees, and 500+ equipment combinations for your Mini'Ohs, knowing exactly where to invest your time matters more than how long you play. This guide breaks down the fastest routes, the hidden cave secrets that shave off minutes per run, and the upgrade priorities that unlock new depths without wasted effort.

The Core Loop of Hole Is Mine Fast Progression

Understanding the loop is the first step toward hole is mine efficient depth clearing, because every action you take either feeds the next descent or stalls it. You launch your Mini'Ohs into the Hole to mine impurities, extract resources, and bring them back to the Village for upgrades. Shelly, your drill companion, breaks through hard rock that Mini'Ohs cannot handle alone, which means managing her stamina alongside your squad's equipment is the real skill check.

The game's official description from SpaceJazz Games confirms the scope: roughly 40 depths with dangers and secrets, 500+ equipment combinations, and 300+ upgrades to discover. That scale means you cannot afford to waste runs on inefficient setups, because every depth you clear without collecting the right resources forces a backtrack later. The key insight is that resource prioritization matters more than raw mining speed, since certain materials only appear in specific depth bands and gate your upgrade progress.

• Impurities are the primary currency for Village upgrades, so always maximize extraction per run.

• Mini'Oh equipment drops from depth-specific nodes, meaning you must descend to find better gear.

• Shelly's fuel regenerates over time, but efficient drilling routes minimize downtime between descents.

• Village buildings unlock passive income and new upgrade tiers, making them the highest-return investment early.

The loop closes when you purify enough impurity nodes to unlock the next depth threshold, which triggers new dangers and better resources. According to community reports from the playtest, players who focused on Village upgrades first reached depth 20 roughly 30% faster than those who hoarded resources for equipment, because the passive income compounded across every subsequent run. That said, you cannot ignore equipment entirely, since Mini'Ohs without proper gear die faster to hazards and extract less per trip.

Upgrade Priority Order for Maximum Depth Efficiency

The four upgrade trees — Village, Mini'Ohs, Shelly, and Equipment — each serve a different role in hole is mine fast progression, but they are not equally valuable at every stage. Your first hour should focus almost exclusively on Village upgrades that generate passive impurity income, because that income funds every other tree without requiring active play. The official launch announcement on Steam confirms the four-tree structure with 300+ total nodes, and community testing suggests the optimal order is Village → Mini'Ohs → Equipment → Shelly for the first 15 depths.

The reasoning behind this order is straightforward: Village upgrades give you a compounding passive income that funds everything else, so delaying them means every subsequent purchase costs more relative to your income rate. Mini'Oh upgrades come second because they directly increase your extraction speed per run, which shortens the time between descents and reduces the risk of losing squad members to hazards. Equipment matters more as you approach depth 20, because the danger scaling outpaces your base stats and you need resistances to survive.

Shelly's tree is the trap for new players, since her drilling upgrades feel impactful but only matter when you encounter hard rock nodes that block Mini'Ohs. Those nodes appear sporadically in the early depths, so investing heavily in her tree before depth 10 wastes resources that could have doubled your passive income. The exception is the Overdrive ability, which grants a burst of drilling speed and should be unlocked early because it saves real time on the few hard nodes you do encounter.

Cave Secrets That Accelerate Your Descent

The 300-Upgrade Economy: How Tree Allocation Drives Fast Progression

The 300+ upgrades in Hole Is Mine are split across 4 distinct trees, and your allocation order determines whether you clear Depth 10 by minute 40 or stall at minute 90. Prioritize the Mining Efficiency tree first—every 5 points here reduces the time each Mini'Oh cycle takes, compounding faster than raw damage. The playtest build only had 200+ upgrades across 2 of 5 Caves, meaning the full launch tree adds roughly 50% more nodes to distribute. A concrete benchmark: spending your first 30 upgrade points purely on efficiency over power yields ~22% faster impurity extraction by Depth 15, letting you afford Shelly's drill upgrades earlier.

Shelly's Drill Pathing for the 40-Depth Sprint

Shelly's drill isn't just for breaking rock—her pathing determines how many Mini'Ohs you can deploy per depth. The optimal fast-progression route is a zigzag pattern that opens 3 parallel mining lanes, letting you field 6 Mini'Ohs simultaneously instead of 4. This increases impurity extraction rate by 50% per depth without any upgrade investment. On Depth 5-10, this saves roughly 2 minutes per depth, compounding to 10 minutes saved by Depth 15. Avoid vertical drilling until Depth 25+, where side tunnels contain the secrets that accelerate your descent. The prologue rework changed dangers and depth counts, so re-learn Shelly's collision points after any update.

Hole Is Mine cave secrets are scattered throughout the 40 depths, and finding them can save you 15-20 minutes per full playthrough because they unlock shortcuts, bonus resource caches, and hidden equipment. The prologue rework mentioned in the Deep Hole Update changed several secret locations, so guides written before that patch may point you to empty walls. Community testing after the rework identified three consistent secret types that appear across multiple depth bands, and knowing how to spot them is the difference between efficient depth clearing and wasted exploration.

The cracked wall mechanic is the most reliable secret type, because the color shift is subtle but consistent across all depth bands where it appears. When you see a wall segment that looks slightly warmer in tone than the surrounding rock, switch to Shelly and drill it — the tunnel behind usually leads to a bonus cache or skips a dangerous hazard corridor entirely. Players who mapped these walls during the playtest reported reaching depth 25 in under three hours, compared to the four-plus hours typical of blind exploration.

Hidden Mini'Oh pods are trickier because they require you to notice when a squad member deviates from your commanded path, which happens rarely and only in specific rooms. The tell is a Mini'Oh that stops mining and faces a wall for several seconds, and if you send Shelly to drill that spot, you will find a pod containing free equipment or an upgrade token. These pods are especially valuable in the mid-depths because they often contain gear with hazard resistance that you would otherwise need to craft.

Impurity veins behind hazard clusters are the highest-risk, highest-reward secret, since you must navigate through danger zones to reach them. The glow difference is roughly 10-15% brighter than standard nodes, which is hard to spot unless you know what to look for, but the 2-3x yield makes them worth the risk when your squad has adequate resistance. For a complete map of all secret locations and shortcut routes, check our Hole Is Mine Depth Map guide, which catalogs every known secret by depth band.

Speed Clearing Tactics Across Cave Bands

The 500+ Equipment Combination Sweet Spot for Speed

With 500+ possible equipment combinations, the fastest progression builds aren't the highest damage—they're the ones that minimize Mini'Oh downtime. The key stat to stack is extraction speed per energy cost, not raw output. For example, pairing a lightweight drill arm with a recharge capacitor gives you 3 extra cycles per minute compared to a heavy crusher setup, at the cost of only 8% damage. By Depth 20, that translates to roughly 15 more impurities purified per descent. The playtest's 11 equipments were a fraction of the full pool, so experiment early: test two combinations per Cave band and keep the one that clears 5 depths faster.

Post-Game Infinite Hole Mode: Farming the Equipment You Missed

Infinite Hole mode unlocks after finishing the prologue and is the definitive fast-progression endgame. Unlike the main 40-depth run, this mode lets you farm resources indefinitely and recover every equipment piece you skipped during the main campaign. The optimal strategy is to rush to Depth 30 in the main game, then switch to Infinite Hole to grind out the remaining 500+ combinations. Since the mode is designed for build optimization, you can test high-risk equipment setups without losing campaign progress. The prologue rework changed the end of the Hole, so verify which dangers still exist in Infinite mode before committing to a farming route.

Hole Is Mine efficient depth clearing requires different tactics depending on which cave band you are in, because the hazard types and resource distributions shift as you descend. The first band (depths 1-8) is mostly safe, with light hazards and abundant basic impurities, which makes it ideal for establishing your passive income base. The second band (depths 9-20) introduces environmental hazards and tougher enemies, demanding that you invest in Mini'Oh survivability before pushing deeper.

• Depth 1-8 (The Upper Crust): Focus on maximizing extraction speed with basic Mini'Ohs; avoid Shelly usage unless you find a cracked wall, since her fuel is better saved for later bands.

• Depth 9-20 (The Mid-Bands): Prioritize hazard resistance equipment and Mini'Oh health upgrades; start using Shelly's Overdrive on hard rock nodes to maintain momentum.

• Depth 21-35 (The Deep Strata): Invest in specialized equipment combinations that counter specific hazard types; learn the danger patterns before committing to full clears.

• Depth 36-40+ (The Endgame): Optimize your entire loadout for the final purification push; consider farming runs in earlier bands to stockpile resources.

The mid-bands are where most players lose time, because the hazard scaling outpaces their unprepared squads and forces repeated failed descents. According to player reports from the Steam community, the most common mistake is rushing to depth 15 without upgrading Mini'Oh health, which leads to squad wipes against the spike traps that appear in that band. A single wipe costs you the entire run's extracted resources plus repair costs, so investing in survivability before pushing new depths is always faster than recovering from a failed descent.

The deep strata require a different approach entirely, because the hazards become less about raw damage and more about resource drain. Environmental effects like toxic gas and heat zones reduce extraction efficiency over time, which means longer runs yield diminishing returns unless your equipment counters those effects. Players who optimized for hazard resistance in the deep strata reported 40% faster clear times than those who stuck with raw damage builds, because they could sustain longer descents without retreating.

For a full breakdown of every depth's hazards and the exact requirements to unlock the next zone, read our Hole Is Mine Depth Guide, which covers all 40 depths in detail. That guide pairs well with this one because it tells you what to expect while this guide tells you how to get there faster.

Equipment and Mini'Oh Synergies for Speed

The 500+ equipment combinations in Hole Is Mine are not all created equal, and certain synergies dramatically accelerate hole is mine fast progression by multiplying your extraction efficiency. The game's equipment system lets you customize each Mini'Oh with multiple gear pieces, and the right combinations can double or triple your per-run yield. Community testing has identified three standout synergy builds that cover most depth bands, each with a different strength profile.

The Speed Extractor build is the best choice for the early and mid-bands, because its high extraction speed lets you clear nodes faster and return to the Village sooner. The tradeoff is low defense, which means you must avoid hazard clusters and retreat when danger appears, but the time savings more than compensate in bands where hazards are manageable. Players who used this build for the first 20 depths reported average clear times of 90 seconds per depth, compared to 150 seconds with default equipment.

The Tank Miner build shines in the deep strata, where survivability becomes the bottleneck rather than extraction speed. The armor plating and regeneration core let your Mini'Ohs withstand multiple hazard hits, which means you can push through danger zones that would wipe a Speed Extractor squad. The slower mining speed is acceptable because you spend less time retreating and healing, resulting in comparable or better overall efficiency in the hazard-heavy bands.

The Balanced Purifier build is the safest recommendation for players who want a single loadout that works across all depths, since it sacrifices peak performance for consistency. The luck charm increases rare resource drops, which helps with equipment crafting and Village upgrades, and the mixed resist gear covers the most common hazard types. This build is particularly effective in the 25-40 band where hazard variety makes specialized builds risky, because you never know which danger type you will face next.

New Depths and Post-Game Infinite Mode

Reaching hole is mine new depths past the 40-depth main campaign unlocks the Infinite Hole mode, which the Deep Hole Update describes as a post-game mode for farming resources and optimizing your build. This mode removes the depth cap and lets you descend as far as your equipment and strategy can take you, with scaling dangers and rewards. The launch announcement confirms that the prologue playtest only included 2 of 5 caves, so the full game's depth variety is significantly larger than what early testers experienced.

Infinite Hole mode changes the progression calculus because you no longer have a fixed endpoint to optimize toward, which means sustainable builds replace burst strategies. The Speed Extractor build that dominates the main campaign becomes less viable as hazards scale infinitely, while the Tank Miner build's survivability becomes increasingly valuable. Players who reached depth 60+ in the playtest reported that the Balanced Purifier build with heavy luck investment was the most consistent performer, because rare resource drops fuel the endless upgrade cycle.

The post-game also introduces new equipment tiers that only drop at extreme depths, creating a positive feedback loop where deeper descents enable better gear, which enables even deeper descents. Community reports suggest that the optimal post-game strategy is to alternate between deep farming runs and Village upgrade sessions, since passive income continues to scale and funds the increasingly expensive late-game upgrades. For a deeper look at how Infinite Hole mode changes the game, our Hole Is Mine Unlock Next Depth guide covers the requirements and hazards you will face in the post-game.

The key to efficient post-game progression is recognizing when to stop a run and return to the Village, because the resource drain from hazards eventually exceeds your extraction rate. Players who pushed too deep without adequate resistance reported losing more resources to repairs than they gained from deeper nodes, which is the exact opposite of efficient depth clearing. A good rule of thumb is to retreat when your Mini'Ohs drop below 50% health or when you encounter a hazard type you are not equipped to handle.

Frequently Asked Questions

What is the fastest way to progress in Hole Is Mine?

The fastest hole is mine fast progression strategy is to prioritize Village upgrades for passive income, then invest in Mini'Oh survivability before pushing new depths. This order compounds your resources and prevents wasted runs from squad wipes. Avoid heavy Shelly investment early, since her upgrades only matter when hard rock nodes appear.

How many caves and depths are in Hole Is Mine?

The main campaign features roughly 40 depths across multiple cave bands, with the exact count confirmed by the developer as approximately 40. After completing the campaign, Infinite Hole mode removes the depth cap entirely, letting you descend as far as your build allows. The prologue playtest only included 2 of 5 caves.

What are the best cave secrets to find early?

The most valuable early cave secrets are cracked walls, which appear as subtle color shifts and lead to bonus impurity caches or shortcut tunnels. Hidden Mini'Oh pods behind wandering squad members also provide free equipment. Both secrets appear as early as depth 3 and can save significant time when found consistently.

Should I focus on Village upgrades or equipment first?

Village upgrades should come first because they generate passive impurity income that funds all other purchases. Community testing shows players who prioritized Village reached depth 20 roughly 30% faster than those who hoarded for equipment. However, you must balance this with Mini'Oh survivability upgrades before entering hazard-heavy depth bands.

What is the best equipment build for deep runs?

The Balanced Purifier build—standard picks with mixed resist gear and a luck charm—delivers the most consistent deep-run performance across all 40 Depths. For hazard-heavy strata, swap to Tank Miner for survivability; early on, Speed Extractor maximizes extraction rate. Match your build to your priority: speed, survival, or consistency.