STEAMDB NEXUS

Steam app 3729550 · updated 12 Sep 2026, 20:21 UTC

Stackmon

Stack, train and collect 100+ powerful Stackmon in this creature-collector with a card-stacking twist! Build your camp, challenge rival Scouts in combat and face the mysterious corruption spreading throughout your land.

Stackmon Steam header artwork
Riftpoint EntertainmentAlibi Games
40playing now
6024-hour peak
1,029all-time peak
191average, last 30 days

The last 30 days

−145.8Gain−43.22%% gain1,029Peak

517 hourly samples, with the daily peak drawn over them. Weekends are shaded.

02785568331k22 Aug25 Aug28 Aug31 Aug03 Sep06 Sep09 Sep12 SepSaturday 22 August 20261,029 peakSunday 23 August 2026895 peakMonday 24 August 2026650 peakTuesday 25 August 2026549 peakWednesday 26 August 2026466 peakThursday 27 August 2026376 peakFriday 28 August 2026334 peakSaturday 29 August 2026350 peakSunday 30 August 2026302 peakMonday 31 August 2026229 peakTuesday 01 September 2026222 peakWednesday 02 September 2026194 peakThursday 03 September 2026144 peakFriday 04 September 2026123 peakSaturday 05 September 2026132 peakSunday 06 September 2026131 peakMonday 07 September 202687 peakTuesday 08 September 202683 peakWednesday 09 September 202670 peakThursday 10 September 202653 peakFriday 11 September 202650 peakSaturday 12 September 202660 peak
Daily peakEvery hourly sample

All time

2 months, August 2026 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.

02785568331kAug 2026Sep 2026August 20261,029 monthly peakSeptember 2026222 monthly peak
Monthly peak

The last four months

Show:

The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.

02785568331kJuly 2026August 2026September 2026October 2026August 20261,029 peak — hourly detail belowSeptember 2026222 peak — hourly detail below
Monthly peakHas finer data

July 2026

Stackmon was released on 18 Aug, 2026.

Not out yet.There is nothing to draw for this month.

August 2026

10 days as the curve, each the highest figure that day. Behind it, 234 hourly samples. Each dip is a night. Weekends are shaded.

02785568331k22 Aug23 Aug24 Aug25 Aug26 Aug27 Aug28 Aug29 Aug30 Aug31 AugSaturday 22 August 20261,029 peakSunday 23 August 2026895 peakMonday 24 August 2026650 peakTuesday 25 August 2026549 peakWednesday 26 August 2026466 peakThursday 27 August 2026376 peakFriday 28 August 2026334 peakSaturday 29 August 2026350 peakSunday 30 August 2026302 peakMonday 31 August 2026229 peak

September 2026

12 days as the curve, each the highest figure that day. Behind it, 283 hourly samples. Each dip is a night. Weekends are shaded.

06012018024001 Sep03 Sep05 Sep07 Sep09 Sep11 SepTuesday 01 September 2026222 peakWednesday 02 September 2026194 peakThursday 03 September 2026144 peakFriday 04 September 2026123 peakSaturday 05 September 2026132 peakSunday 06 September 2026131 peakMonday 07 September 202687 peakTuesday 08 September 202683 peakWednesday 09 September 202670 peakThursday 10 September 202653 peakFriday 11 September 202650 peakSaturday 12 September 202660 peak

October 2026

Stackmon was released on 18 Aug, 2026.

Not out yet.There is nothing to draw for this month.
Nothing here is interpolated or estimated; where a sample is missing the line is broken.

Game information

Updated 12 Sep 2026, 20:21 UTC
App ID
3729550
Last updated
08 Sep 2026 build 25192512
Developer
Riftpoint Entertainment
Publisher
Alibi Games
Release date
18 Aug, 2026
Platforms
WindowsLinux
Download size
792 MB790 MB
Install size
1.43 GB950 MB
Genres
Adventure, Indie, Strategy
Game modes
Single-player
Controller support
Full
Achievements
39

Features & support

Steam features

Steam AchievementsMouse Only Option#category_playable_at_your_own_paceSteam CloudFamily Sharing

Controllers & input

Full controller supportDualShock Controller SupportDualSense Controller Support

Accessibility

Playable without Timed Input

Popular tags

Creature CollectorCard GameCard BattlerStrategyAdventureExplorationSimulation2DColorfulCuteBuildingCraftingFamily FriendlyIndieManagementNatureRelaxingPvEResource ManagementSingleplayer
About this gameFull description from Steam
Stackmon is a creature-collecting adventure with a unique card-stacking twist. Discover and capture new creatures and stack them with resource and equipment cards to unlock even rarer items and effects. Build up your camp, explore a vibrant world, and take on rival Scout Leaders, as you uncover the dark mystery behind the Soot – a strange corruption spreading across the land. Features -          Discover 100+ Stackmon including Evolutions, Rare and Legendary editions! -          25+ different Buildings to construct and upgrade your home base -          20+ Equipment and Item cards to buff your Stackmon and Scouts -          7 unique biomes to explore, each with their own game altering mechanics Drag and drop Stackmon, resources and items onto each other to form powerful combinations! Use your Stackmon to gather materials, craft items, automate tasks and battle other Stackmon. Grow and customize your Harmony base to unlock new recipes, upgrades, and abilities for your Stackmon. Discover and collect over 100 rare and powerful Stackmon and train and evolve them into their more powerful forms. Search for wild Stackmon across the world of Gaia, open booster packs to expand your collection, and help Professor Pine in his dream of completing the Stackpedia! Venture beyond your base and challenge other Scouts scattered across the world to prove your strength and rise your way through the ranks. Take on rival Scouts in strategic auto-battles, using equipment, abilities and elemental affinities to your advantage. Face off against powerful Scout Leaders and show the strength of Harmony! A mysterious and dangerous force is spreading throughout Gaia, corrupting any Stackmon and Scout Leaders in its path... It's up to you and your Stackmon to find the source of the corruption, face the Soot and change the fate that approaches.
Content & age ratings2 regional ratings

Regional ratings

DEJUSl
IGRS3
System requirementsMinimum and recommended hardware

Minimum

Minimum: OS: Windows 10/11 Processor: 3GHz Memory: 4 GB RAM Graphics: 3GB Dedicated GPU DirectX: Version 10 Storage: 2 GB available space

Recommended

Linux

Minimum: OS: SteamOS Processor: 3GHz Memory: 4 GB RAM Graphics: 3GB Dedicated GPU Storage: 2 GB available space
Supported languages8 languages
LanguageFull audio
English
Portuguese - Brazil
Simplified Chinese
French
German
Spanish - Spain
Korean
Japanese

A blank audio cell means full audio was not marked in the returned language list.

Screenshots & trailersScreenshots and trailers

Trailers

AchievementsTotal count and selected achievements

39 achievements in total.

Show selected achievements (may contain spoilers)
New CompanionAchievement
Foil ChaserAchievement
Shiny TrackerAchievement
Legendary TamerAchievement
First BattleAchievement
Soot PurifierAchievement
Life CreatorAchievement
Foil CreatorAchievement
Learning & EvolvingAchievement
ArchitectAchievement

View all Steam achievements

25 developer announcements, Feb 2026 to Sep 2026 · times in UTC

September

  1. Patch Notes v9.0.91

    Hi everyone,We’ve just released a small hotfix!Patch Notes v9.0.91• Fixed an error that could occur when loading the Stackpedia.• Fixed Houses becoming unstacked when loading a save.Please update the game to get the latest version.Thank you…

    Patch notes
  2. Patch 9.0.901

    Hi everyone, we have just released a fix for a bug that was caused by the last patch. Patch 9.0.901-Fixed Null Reference that was making some save files not load. Please update the game and let us know if anything else is happening with…

    Patch notes
  3. Patch v9.0.90

    Hi everyone,We’ve just released a new update with new content, balancing changes, quality of life improvements and bug fixes! Patch Notes v9.0.90• Added a new Soil recipe and Idea Card.• Adjusted how Soot Rift rewards are given.• Reduced…

    Patch notes
  4. Patch 9.0.882

    Hi everyone,We’ve just released a small hotfix! Patch Notes v9.0.882• Fixed cards not automatically going into Storage. Please update the game to get the latest version. Thank you for playing Stackmon!

    Patch notes
  5. Patch 9.0.88

    Hi everyone,We’ve just released a new update on Steam with another round of fixes, balancing changes and quality of life improvements! Patch Notes v9.0.88• Improved Storage System save/load logic.• Vine Cut skill can now be used on Lumber…

    Patch notes

August

  1. Patch 9.0.87

    New Patch Now Live Hi everyone,We’ve just released a new update on Steam with another round of fixes, balancing changes and quality of life improvements based on your feedback. Patch Notes v9.0.xx• Added hold input to drop more cards from…

    Patch notes
  2. Patch Notes v9.0.85

    Hi everyone,We’ve just released a new update on Steam. Thanks to your reports and feedback, Stackmon has been getting more stable with each patch, and we’re really happy to see more players enjoying the game smoothly. This update continues…

    Patch notes
  3. Patch 9.0.84

    New Patch Now Live!Hi everyone,We’ve just released a new update on Steam. Thank you to everyone who reported these issues and helped us track them down!Patch Notes v9.0.84• Fixed achievements not completing correctly.• Fixed issues that…

    Patch notes
  4. Patch Notes v9.0.82

    New Patch Now Live Hi everyone,Most importantly, we found the issue that was causing the game to stop saving properly, and this patch fixes it. We know how frustrating it is to lose progress, and we’re really sorry to everyone who was…

    Patch notes
  5. Patch Notes v9.0.81

    Today's Patch is Now Live!Hi everyone,We’ve just released a new update on Steam. This patch focuses especially on save and loading issues.__ We know some players reported problems that affected their progress, and we’re really sorry for the…

    Patch notes
  6. Patch Notes v9.0.80

    Patch Notes v9.0.80Hi everyone, We’re sending another update to address some bugs that were found recently.Adjustments and General Fixes• Fixed a bug that was causing incorrect entries in the Stackpedia.• Fixed a bug that was preventing UI…

    Patch notes
  7. Patch Notes v9.0.79

    Patch Notes v9.0.79Hi everyone, We’ve just released a new update to address two issues introduced after our latest fixes. While correcting another bug, we unintentionally caused a new issue. We’re sorry about that, and thank you for your…

    Patch notes
  8. Patch Notes v9.0.78

    We’ve just released today’s patch! Please update the game to get the latest fixes and adjustments. Patch Notes v9.0.78Building Durability UpdateWe’ve started improving how building uses work, based on the feedback many of you shared after…

    Patch notes
  9. Launch Update!

    Hey everyone! We're here today to update you on the game and what we're working on. But first things first: thank you all so, so much for playing Stackmon, and for sharing your thoughts and opinions! It has been amazing to see all the posts…

    mark
  10. Patch Notes v9.0.76

    Adjustments and General Fixes in Patch 9.0.76 Added a new font option for improved readability.Added an option to increase visibility during nighttime.Added a visual counter next to structure cards.Fixed Foil Maker not updating the…

    Patch notes
  11. Patch Notes v9.0.74

    Adjustments and General Fixes in Patch 9.0.74 Fixed Badges disappearing.Fixed being able to stack Evolve Gem with wild Stackmons.Adjustments to Save Backup Sytem.Fixed healing effects being applied to unconscious Stackmons.Raised the chance…

    Patch notes
  12. Patch Notes v9.0.72

    Adjustments and General Fixes in Patch 9.0.72Fixed save backup system (in the case of a save getting corrupted, it now uses a backup). Solved Stackpedia losing progress. Solved Skill buttons not appearing sometimes. Adjusted Storage sizes…

    Patch notes
  13. Patch Notes - Stackmon V9.0.69

    Adjustments and General FixesAdded mission focus handling to the animation queue. Fixed null reference error when clicking packs. Fixed card corruption status when a card is created in the hub while the player is in a Soot Rift. Fixed Soot…

    Patch notes
  14. Stackmon is Out Now!

    Today's the day – Stackmon is out now! You can head to our store page and get Stackmon right now for 13.99 USD | 11.49 GBP | 45 RMB with a limited-time 15% launch discount to celebrate. Official Launch Trailer:We want to say a HUGE thank…

    anna

July

  1. Stackmon Launches August 18th!

    Calling all Harmony Scouts! We have a very exciting update to share - Stackmon has a release date, and its soon! 🎉 STACKMON LAUNCHES ON AUGUST 18th! 🎉 We've also created a brand new gameplay trailer to show you a little more of what's to…

    anna

June

  1. Stackmon Demo - Patch Note - Version 7.0.33

    Hey everyone!A new Stackmon demo update is now live with more fixes and improvements.This update focuses on storage behavior, card despawning, loading and exploration stability. We also made a small demo content adjustment and added the…

    Patch notes
  2. Stackmon Demo - Patch Note - Version 7.0.30

    Good news, everyone! A new Stackmon demo update is now live, bringing several adjustments, bug fixes, and improvements to the overall experience. This update focuses on improving stability, fixing reported issues, and polishing a few parts…

    Patch notes
  3. STACKMON DEMO Available Now!

    It’s a special day! The demo for Stackmon is now LIVE and available for all to play! 🥳🎉We are so excited to invite you into the exciting world of Gaia! Explore, discover, build, collect, and most importantly stack your way to defeating the…

    mark

February

  1. Stackmon Playtest Now Open!

    The day has come!! The Stackmon playtest is now officially open! 🥳 Over the next couple of days, we’ll be letting in people who have signed up on Steam. We’ve had an overwhelming amount of support so far, with over 1,000 people signing up…

    mark
  2. Announcing Stackmon - Playtest Sign Ups Now Live!

    Hey everyone! We’re Riftpoint Entertainment, a small Brazilian dev team, and today we’re thrilled to officially reveal Stackmon. To celebrate, we’re inviting you to jump in and join our playtest! Join the Stackmon playtest For the next two…

    mark

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