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Koltera

Koltera

Idle creature-collector, where you mine, train, breed, explore and more with your creatures. Discover all there is in the world of Koltera.

Released Dec 8, 2023 Developer Braymen Platforms Windows IdlerCreature CollectorStrategyCollectathonRPG
View on Steam ↗ Free (US · as of 2026-05-14)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-27.

71.9%positive171 reviews
Recommended · 3 found this helpful

“O jogo é bem simples, não tem nenhum apelo gráfico pra te chamar atenção mas os bichinhos são bem feitos, da vontade de ter todos. Se você se programar bem, consegue completar a sua log bem rápido, o mais chato é conseguir os minérios para as diversidades. Achei o grind de 1…”

— a player, Steam review · 174 hrs played
Recommended · 2 found this helpful

“Summary Free simple creature collector idler ramping up quick turning into a monster breeder game to collect all species, it's variants, and perfecting their genetics and vibrancy. Pros + Simple chill fun + Has potential Cons - Repepititive - Too simple Overview Koltera is a…”

— a player, Steam review · 311 hrs played
Recommended · 0 found this helpful

“basic f2p game with no mtx. Pokemon but an idle game”

— a player, Steam review · 389 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-08 via SteamCharts.

307all-time peak
0 100 200 2024 2025 2026 136 avg · Dec 2023

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-27.

41achievements
20.1%median completion
7.4%rarest: Master Completionist
82.5% of players 77.9% of players 75.1% of players 73.7% of players 73.4% of players 68.1% of players 66.3% of players 60.1% of players 55.8% of players 45.7% of players 44.9% of players 44.8% of players 36.5% of players 33.4% of players 28.0% of players 26.0% of players 25.8% of players 23.5% of players 22.4% of players 21.4% of players 20.1% of players 19.5% of players 19.3% of players 18.7% of players 18.6% of players 18.5% of players 18.2% of players 18.0% of players 17.6% of players 16.3% of players 15.4% of players 13.2% of players 12.8% of players 12.8% of players 12.5% of players 12.4% of players 11.0% of players 10.7% of players 8.7% of players 8.1% of players 7.4% of players 82.5% 0% most earned rarest
Almost everyone has
82.5%Chosen One — Select a starter creature
77.9%Student Trainer — Reach Trainer Level 1
75.1%Vibrant — Obtain a creature with 100% Vibrancy
Rarest badges of honor
7.4%Master Completionist — Find each augment and standard creature with max vibrancy
8.1%Completionist — Find each augment and standard creature
8.7%Upgraded — Have over 75+ Legacy Upgrades

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Nov 25, 2025
Wishlist Koltera 2 today! :)

As I am nearing close to completion on Koltera 2 and heading into playtests in December, I invite anyone interested to come wishlist it! It means the world to me and I can't wait to get players playin

Nov 19, 2025
Koltera Patch v7.0

- Buffed Mining, Training, Explores Staffs from 200% max -> 400% max - Nerfed Cost to Extend Trainer Spell from 5 -> 2 mana potions - Nerfed Cost to Refresh Trader from 10 -> 5 mana potions - Changed

Nov 19, 2025
Koltera Patch v6.0

- Changed 'Explorers' upgrade so that it converts to more 'Gathering' slots once locations are explored, for continued value into the upgrade - Fixed gold border not showing for normal creature when y

Nov 15, 2025
Koltera Patch v5.0

- Fixed soulstone summoning not adding a obtained date to save - Added an obtained date filter in the creature selector - Added a obtained date to the tooltip of creatures - Added a dropdown so that y

Nov 09, 2025
Koltera Patch v4.0

- Fix the collector job so that it actually provides an upgrade to creature storage (sadly only will affect new saves) - Add spirit to the screen after you breed a creature to make it easier to see if

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From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-27.

GenresAdventure, Casual, Indie, RPG, Strategy, Free To Play
Player tagsIdler · Creature Collector · Strategy · Collectathon · RPG · Difficult · Text-Based · Team-Based · Strategy RPG · 2D · Cute · Cartoony (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Steam Cloud · Family Sharing
LanguagesEnglish * *
Achievements41
Minimum system requirements (PC)

Minimum: OS: Windows 10/11 Processor: 2.33GHz or faster x86-compatible processor, or Intel Atom™ 1.6GHz or faster processor for netbook class devices Memory: 1 GB RAM Storage: 500 MB available space