Comparison

Mini Space Commando(Semi Idle) vs Underground Story

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Mini Space Commando(Semi Idle)

Command a space marine in this idle game, fighting enemies and collecting resources to expand your influence across the universe. Periodically save your progress to the cloud to prevent data loss upon app deletion.

Highlights
  • Fight enemies
  • Collect resources
  • Grow space marine
  • Conquer universe
  • Cloud saving
Features
Read full description

Fight off enemies, collect resources Grow your little space marine and conquer the universe! Caution) Your data will be deleted when you delete the app. Save your data periodically to the cloud

About

Underground Story

Embark on a story-driven idle adventure in a pixelated world where money dictates survival. Fight for freedom, uncover secrets, and manage fatigue in a labor camp. Explore hidden locations and interact with characters to escape.

Highlights
  • Story-driven idle gameplay
  • Pixel art style with animations
  • Manage physical and mental fatigue
  • Discover hidden clues and items
  • Interact with colorful characters
  • Mini-games and legendary items
Features
Read full description

Welcome! Your adventure into the mysterious world of the Underground Slavery begins. Here, money decides everything. You're about to discover the true power of money and how it drives the world, and the myriad secrets it holds, you'll embark on a journey to survive. But be warned, this adventure isn't just about survival. To escape the dark labyrinth of the Underground Slavery, you'll have to fight a fierce battle to pay off your debts and earn your freedom. We want you to succeed. Beyond survival, run for freedom. The world of the game is more than just an idle game. It's a story-driven adventure that tells the story of a group of people trapped in an underground slave labor camp. Discover hidden clues, items, and equipment, and interact with colorful characters to uncover new stories. The art style is a unique pixelated game, filled with delightful animations and colorful characters. We invite you to join us on a journey to explore hidden locations, challenge yourself in various mini-games, and find legendary items. Your life in the labor camp begins with a single finger movement. Escape the mines with simple controls and keep your life in the labor camp. You will learn to control your physical and mental fatigue through mental training and mace training. Your personal information is securely protected. Your game data is stored in the cloud, and you can access it at any time. But beware of unauthorized departures. Now your adventure begins. Create your story in the deep darkness of the underground slave labor camp. Official introduction site Guris introduction page: https://guris-game.webflow.io About the Underground Station page: https://underground-station.webflow.io/ Naver Cafe https://cafe.naver.com/gurisgame Discord https://discord.gg/77ufQBY8 Privacy Policy https://passman.tistory.com/entry/PrivacyPolicy

Screenshots

Mini Space Commando(Semi Idle)4 screens
Underground Story4 screens

Verdict

The call

The clearest difference is review sentiment: Underground Story at 100% against Mini Space Commando(Semi Idle)'s 61%. Mini Space Commando(Semi Idle)'s advantage is ads (none vs shown). On price, update cadence, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Mini Space Commando(Semi Idle) sells 10 one-off in-app purchases and Underground Story sells 25 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Mini Space Commando(Semi Idle) ships an update weekly, Underground Story every 5 days. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 8 level
Mini Space Commando(Semi Idle) versus Underground Story: the parameters behind the verdict, then further details
ParameterMini Space Commando(Semi Idle)Underground Story
PriceFreeFree
Rating4.5 (2 ratings) — better—
Positive reviews60.5% of reviews100.0% of reviews — better
Number of ratings2 — better—
Update frequencyWeeklyEvery 5 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size520 MB186 MB
Age rating12+4+
DeveloperChan ik Kwonlee sanghyun

Customer experience

Mini Space Commando(Semi Idle)

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews38 reviews
Positive60.5%
Neutral13.2%
Negative26.3%

Underground Story

Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

10 purchases

Mini Space Commando(Semi Idle)

One-time10
  • Weapon parts$2.99
  • Crystal Purifier$3.99
  • Recoil Control Glove$5.99
Show 7 more
  • Cosmic Extractor$7.99
  • Spawn Speed Up$8.99
  • Mining Sword$11.99
  • Remove AD$11.99
  • Mystic Stone Extractor$12.99
  • Ruby Extractor$12.99
  • Titanium 40000EA$64.99
25 purchases

Underground Story

One-time25
  • blood diamond x100$0.99
  • army cap$1.99
  • special force cap$3.99
Show 22 more
  • Auto Work Package$3.99
  • reopen ads remove$4.99
  • heart+2 (Sewers)$4.99
  • heart +3 (in Sewers)$4.99
  • heart +5 (in Sewers)$4.99
  • helm$5.99
  • minigame life+2$5.99
  • block start4$5.99
  • Block Destroy Bonus$5.99
  • Super Power$6.99
  • Termite Fry$9.99
  • tear diamond x100$9.99
  • Speed up package$9.99
  • green present box(x10)$9.99
  • blood diamond x2000$14.99
  • Red Ant Juice$15.99
  • Partnership Pledge$19.99
  • Perfect Free Pass$19.99
  • vending machine hacking$19.99
  • Santa present x20$19.99
  • Magazine Bribes$29.99
  • blood diamond x10000$49.99

Questions

Is Mini Space Commando(Semi Idle) free?
Mini Space Commando(Semi Idle) is free to download, with in-app purchases available.
Is Underground Story free?
Underground Story is free to download, with in-app purchases available.
Do Mini Space Commando(Semi Idle) or Underground Story have ads?
Underground Story shows ads; Mini Space Commando(Semi Idle) does not.
Which is updated more often, Mini Space Commando(Semi Idle) or Underground Story?
Mini Space Commando(Semi Idle) ships an update weekly, and Underground Story every 5 days. Most recently, Mini Space Commando(Semi Idle) was updated on October 15, 2026 and Underground Story on October 4, 2026.

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