Underisland vs Deepfall
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Underisland
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Descend into the Skull Cave. Claim the Artifact. Survive the Unknown. Welcome to a magical island shrouded in mystery and danger. At its heart lies an enormous cave carved in the shape of a colossal skull — an ancient place whispered about in legends. Deep within it rests a powerful artifact with unknown properties, capable of changing the fate of the world. You are the only one brave enough to enter. Prepare for a fast-paced roguelike action adventure where every run is different, every decision matters, and survival is never guaranteed. Roguelike Action at Its Core Each expedition into the Skull Cave is a unique experience. Enemies, skills, and challenges change every run, forcing you to adapt, experiment, and master the chaos. Defeat means starting over — but stronger, wiser, and better prepared. — Create Your Own Skill Builds Build your hero your way. Choose from a wide variety of skills during each run and combine them into powerful, creative builds: • High-damage glass cannons • Tanky survivors • Quick miner • Balanced No two builds are the same, and discovering new synergies is part of the fun. — Mine, Collect, and Grow Stronger Beyond combat, the depths of the Skull Cave hide rich mineral veins and ancient remnants. While exploring the mine, you will gather valuable resources used to upgrade your equipment, enhance your stats, and unlock new possibilities for future runs. Every expedition brings not only danger, but also materials that fuel your long-term progression — making each descent into the cave meaningful, even in defeat. — Upgrade Your Equipment Grow stronger between runs by upgrading your gear. Boost your stats and unlock your true potential. Smart equipment progression is key to surviving deeper, more dangerous arenas. — Multiple Arenas, Unique Enemies Explore diverse arenas hidden within the Skull Cave and across the magical island. Each arena features: • Distinct visual styles • Unique enemy types and attack patterns • Increasing difficulty and new threats Every location feels different and demands a new approach. — Simple Controls, Deep Gameplay Easy to pick up, hard to master. Intuitive one-hand controls let you focus on movement, positioning, and tactical decisions — perfect for quick sessions or long runs alike. — A Mysterious World Awaits What is the artifact hidden deep within the skull-shaped cave? Is it salvation… or destruction? Only those who survive long enough will uncover the truth. — Key Features: • Fast-paced roguelike gameplay • Deep skill build customization • Equipment upgrade and progression system • Multiple arenas with unique visuals and enemies • Simple controls with challenging gameplay depth • Atmospheric fantasy setting on a magical island — Privacy policy: https://rusetidan.github.io/privacy-policy/ Terms of use: https://rusetidan.github.io/terms-of-use/
Deepfall
Descend into an endless pit, breaking cubes for resources and fighting enemies at night. Build a stairway to escape the depths, upgrading your gear and abilities as you progress. Enjoy a blend of active and idle gameplay with a dynamic day-night cycle.
- Idle and arcade hybrid gameplay
- Dynamic day-night system
- Real-time combat with idle progression
- Upgradeable weapons and abilities
- Resource gathering and crafting
- Exploration and discovery
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You fell deep — really deep. In Deepfall: Idle, your journey begins at the bottom of a mysterious endless pit. Break cubes, gather resources, fight skeletons at night, and build the stairway back to the surface. Every cube you destroy and every enemy you defeat brings you one step closer to freedom. But beware — the deeper you go, the darker it gets. Break and collect Smash cubes to find rare stair stones and hidden treasures. Each cube can reveal rewards, traps, or powerful upgrades. Collect resources to craft better tools, increase mining speed, and unlock new abilities to survive longer. Fight and survive When night falls, the skeleton army awakens. Use your skills and upgrades to defend yourself in fast-paced combat. Each victory brings loot, materials, and experience. Unlock special weapons, armor, and abilities as you level up and grow stronger. Build and escape Your goal is simple: collect all the stair stones and climb back to the surface. Plan each move carefully — mine during the day, fight during the night, and manage your resources wisely. Every upgrade brings you closer to escape, but the challenges grow deeper below. Upgrade and progress Deepfall combines idle mechanics with active gameplay. Earn rewards even while offline, keep mining cubes automatically, and return to the game richer and stronger every time. Progress never stops in Deepfall. Explore and discover Explore hidden areas, strange cube types, and secret rewards. Each layer of the pit offers new enemies, challenges, and loot. Take risks, explore deeper, and uncover the mysteries waiting below. Game features • Addictive arcade and idle hybrid gameplay • Dynamic day-night system — mine by day, fight by night • Real-time combat mixed with idle progression • Upgradeable weapons, tools, and abilities • Atmospheric visuals and immersive sound design • Easy to play, rewarding to master Why you’ll love Deepfall Deepfall is an adventure about falling, surviving, and escaping. Feel the thrill of breaking cubes, the tension of surviving the night, and the reward of building your way back to the surface. Whether you enjoy idle progress, dungeon exploration, or survival challenges, Deepfall offers it all in one immersive experience. Can you climb back to the surface — or will you fall forever? Download Deepfall: Idle today and begin your journey to escape the depths.
Screenshots
Verdict
The clearest difference is ads: Deepfall at none against Underisland's shown. Underisland's advantage is update cadence (every 4 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Underisland sells 10 in-app purchases, starting at $4.99 per 7 days and Deepfall sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Underisland ships an update every 4 days, Deepfall every 2 weeks. Both last shipped on October 9, 2026.
| Parameter | Underisland | Deepfall |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.1 (8 ratings) — better |
| Positive reviews | — | 25.0% of reviews |
| Number of ratings | — | 8 — better |
| Update frequency | Every 4 days — better | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 217 MB | 265 MB |
| Age rating | 9+ | 4+ |
| Developer | Ruslan Abdullakh | YAMY STUDIO YAZILIM VE OYUN GELISTIRME ANONIM SIRKETI |
In-app purchases
Underisland
- Legends' Subscription$4.997 Days
- Planks$0.99
- Planks$3.99
- Starter Pack$5.99
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- Pile of Coins$7.99
- Planks$7.99
- Ingots$7.99
- No Ads$9.99
- Plenty of Magic Threads$19.99
- Barrel of Gems$19.99
Deepfall
- No Ads$3.99
- Gem Pack 1$4.99
- Gem Pack 2$8.99
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- Premium Pack$9.99
- Special Machine 1$14.99
- Special Gun 1$14.99
- Gem Pack 3$19.99
- Special Gun 2$19.99
- Special Machine 2$19.99









