Games Like ReallyGoodBattle

ReallyGoodBattle: Fast-Paced, Action-Arcade, Platform-Fighter with an early-Atari inspired minimalistic design. With 2 buttons and a joystick, defeat your foes (or friends) in a simple, yet satisfying way. Run along the walls and approach from all angles to land satisfying, one-hit-kills to win. With heavy emphasis on being accessible to all levels of skill yet maintaining its capacity to be played competitively.

Features
Omnidirectional Gameplay - Collide with any wall while in the air to snap to it and run along any surface. Change gravity an approach your target from any direction.
Two Button Combat - Jump and attack. Aerial and direction attack maximises what you can do with only 1 attack button.
Versus Mode - Play a 1v1 or a 2v2 or a 1v3. Play any combination you could thing of with 4 players. Play versus Friends or AI.
Rebindable Keys - Play with controllers or with keyboard and mouse.You could even use both at the same time with the option to bind any actions to any keys.