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Hatch, evolve, collect! Tomokin Monsters is a desktop idler that lives on your screen, running in the background while you work. Feed and play with your monsters to evolve them into their ultimate forms! Can you collect them all?
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Social Deduction Fest ends
Official stores with direct support.
Hatch, feed and play with your monsters to evolve them into their ultimate forms. Each monster you evolve is a new entry in your Codex.
Not all monsters evolve the same way. Some need special Evo Items to trigger their transformations. Discover all of the combinations to complete your collection!
This idle desktop companion runs quietly in the background while you use your computer, giving you a fun and relaxing way to build your monster collection over time.
Got a rare egg? Evolved a monster into a special form? Use the built-in screenshot tool to snap and share your favourite moments with friends and the community.
Customise how the game behaves - Keep it tucked behind your windows, or bring it to the front. Switch the game to another monitor, change the colour scheme and more.
Audio & text: English, French, Italian, German, Spanish - Spain, Arabic, Bulgarian, Czech, Danish, Dutch, Finnish, Greek, Hungarian, Indonesian, Japanese, Korean, Norwegian, Polish, Portuguese - Brazil, Portuguese - Portugal, Romanian, Russian, Simplified Chinese, Spanish - Latin America, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
Text only: Afrikaans, Albanian, Amharic, Armenian, Assamese, Azerbaijani, Bangla, Basque, Belarusian, Bosnian, Catalan, Cherokee, Croatian, Dari, Estonian, Filipino, Galician, Georgian, Gujarati, Hausa, Hebrew, Hindi, Icelandic, Igbo, Irish, K'iche', Kannada, Kazakh, Khmer, Kinyarwanda, Konkani, Kyrgyz, Latvian, Lithuanian, Luxembourgish, Macedonian, Malay, Malayalam, Maltese, Maori, Marathi, Mongolian, Nepali, Odia, Persian, Punjabi (Gurmukhi), Punjabi (Shahmukhi), Quechua, Scots, Serbian, Sindhi, Sinhala, Slovak, Slovenian, Sorani, Sotho, Swahili, Tajik, Tamil, Tatar, Telugu, Tigrinya, Tswana, Turkmen, Urdu, Uyghur, Uzbek, Valencian, Welsh, Wolof, Xhosa, Yoruba, Zulu
