Dive deep into the ocean in Splashy Sub, a fun and challenging underwater adventure! Control your tiny yellow submarine and navigate through dangerous underwater caves filled with obstacles, mines, and sea creatures. Tap or press the right keys to stay afloat — every move counts! Avoid crashing, collect coins, and survive as long as you can beneath the waves. Easy to play but hard to master, Splashy Sub combines simple controls with addictive arcade action. How far can you go before the ocean swallows you whole? Features: Flappy-style underwater gameplay Simple one-touch or keyboard control Splashy Sub, underwater game, free HTML5 game, arcade game, submarine game, adventure game, action game, mobile game, kids games, 2025 games, tap game, one touch game, online game, sea creatures, mines, coins, ocean adventure, free games for website, free games for site