Play Mountain Climber free Online. W — Move forward. S — Move backward. A — Move left. D — Move right. Space — Jump. K — Respawn. Left Mouse Button — Shoot. V — Drop weapon. E — Use item. Q — Holster weapon. Esc or M — Menu/Quit. PlayGames365.com offers you the best entertainment of games to play in the browser, the most distributed from the 2000s until now. Mountain Climber is an HTML5 game that works on smartphones, tablets, PCs and Smart TVs. You can play Mountain Climber anywhere, anytime.