
A bullet hell roguelite where you move by flapping. Battle waves of enemies, upgrade unique and unexpected abilities and become immensely powerful!
Modeled estimate, not a reported figure. How we estimate →
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About

Play as a lightning-charged mouse who flaps its ears to move. Fight increasingly difficult monsters with automatically fired bolts of lightning as your primary weapon. You’ll be on the edge of your seat through 30 distinct waves across three levels. Each wave is unique and has a different attack, making every encounter tense, unpredictable, and packed with action.

Collect coins from defeated enemies to upgrade 24 different properties and unique abilities called “Wishes.” These include powerful new weapons, economic effects, weapon modifiers, stat boosts, and more, fueling a strong progression curve.

Conquer huge bosses at the end of each level. With layered attack patterns and multiple phases, these extended battles deliver a distinct challenge beyond regular enemy waves.

When defeated, you lose your coins and restart from the beginning of the level, but keep your acquired Wishes. This makes you more powerful each time you begin a new run, creating a thrilling sense of exponential domination.

Flap left or right to move horizontally, and adjust your flapping speed to control altitude. You can also dash sideways to dodge tricky projectiles. This simple control scheme is easy to learn, yet offers expressive, skillful movement.
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English, Japanese, Korean, Simplified Chinese, Traditional Chinese
Engagement
Hours played at review time, across 30 reviews with recorded playtime.
Reviews
Väldigt kul spel, kan rekommendera.
Such a wonderful game! Love the sounds, mechanics, and design of every wave. Truly amazing that it’s been developed by a solo developer! Support small businesses!!!
fun game with nice art!
好玩!但是太短了!内容好少!不过总体还是推荐的!
Really addictive little roguelite game. I don't normally like bullet hell games either, but this was really fair and fun.
a really cute and fun game!
플레이어 기체 무빙이 특이한 것 빼곤 참신한 부분이 없는 스킨 씌운 인베이더 스킨이 딱히 귀여운 것도 아니고 영구 성장 요소만 있고 랜덤 요소는 없어서 반복플레이 요소는 거의 없음 그런데 도과에 스피드런, 대쉬 봉인, 코인 소모 제한을 다 넣어놓는건 ㅋㅋ 왜 도과땜에 자기들 겜을 몇번씩 플레이 하고 싶어질거라고 생각하는지 모르겠네 ㅋㅋ
Well Keeper is an excellent bullet hell roguelite for even people new to the genre like I am. You move by flapping your ears, which makes movement quite difficult, but that’s why one of the unlockables in the skill tree is a dash, which you can upgrade to have multiple charges. There are a lot of neat abilities which you unlock with coins dropped by enemies. But if you lose all your hearts, you also lose all coins. Thankfully, the upgrades stay, so each run gets easier. Would flap my ears again/10.
very goog
Fun game, but I die all the time. Graphics is top notch.
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Trends
Modeled estimate over time, reconstructed from Steam's monthly review histogram.
Momentum
Pace estimated from the game's recent review growth (our daily snapshots) at its own sales-per-review ratio — a momentum signal, not booked sales.
Audience
Estimated from the language of this game's reviews — a proxy for where players are, not official Steam demographics.
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