Summon the Dragon
There is also an immortal version where you will never die~ 【Summon the Dragon - Easy Version: https://bhshare.cn/zhsl/easy】
Summon the Dragon is an online web-based mini game where players control a small tadpole at the start. You can only eat smaller creatures of your kind. Evolve from tadpole to frog, turtle, goldfish, koi, and eventually into the mighty dragon!