Low's Adventure 2 is a retro pixel-art platformer by Trezegames, and it does the classic side-scroller thing well: run, jump, stomp enemies, dodge spikes, and reach the exit. You control Low across 31 levels of gradually ramping danger, from simple gaps to moving platforms, ladders, buttons, switches, and patrolling enemies. It is familiar territory, done with a clean look and a steady difficulty curve.
The controls are immediate. Move with the arrow keys or A and D, and jump with the Up arrow, W, or Space — holding the jump button gives you a higher leap, which matters for clearing wide gaps and reaching high ledges. On mobile there are on-screen arrow and jump buttons. There is nothing to learn and no tutorial needed; you are moving within a second of loading.
The twist that separates it from a plain "run to the flag" platformer is the coins. In most levels you have to collect all five coins to earn the golden trophy, and the trophy is what unlocks the exit door. So every level is two goals at once: survive the hazards and sweep the room for coins. Miss one coin and you are backtracking or restarting, which turns even simple-looking levels into a small hunt.
Combat is classic stomp-and-avoid. You defeat the blue slime creatures and other enemies by landing on their heads, and you must never touch them from the side — a side touch costs a life and restarts the level. Spikes and pits work the same way: one touch and the level resets from the start, coins and all. There are no in-level checkpoints, so the difficulty comes from executing a whole level cleanly rather than any single hard jump.
To be honest about its limits: this is a straightforward retro platformer, not a reinvention. The story is minimal, the art is charming but simple, and the collect-all-coins rule can feel like padding if you only just miss one coin near the exit. What it offers instead is a clean, complete, genuinely satisfying 32-stage run with a real final boss — which for a free browser platformer is more than enough.