Pikwip
Head to the summit. Local co-op or single player.
Streets of Rogue
A Roguelike/RPG/Stealth/Shooter/Brawler
EGGNOGG+
Local multiplayer stabbing game for PC, Mac, Linux
Pyre
Pyre is a party-based RPG from the creators of Bastion and Transistor.
Toe II Toe
A 20 second slugfest! Punch, duck, or block your way to victory!
Gladihoppers
2D physics-based gladiator fighting game!
Guardian Sphere
Shoot 'em up in which you use your life point to buy upgrades
Unsung Warriors - Prologue
A 2D action-adventure game set in Iron Age inspired Europe.
Normal Human Face Simulator
Local 2-player face-biting simulation
Regular Human Basketball
No giant mechanical death machines here!
Giraffes Volleyball Championship 2016
simple volleyball multiplayer minigame
Super Tilt Bro. for NES
Smash bros-like NES homebrew
TowerFall Ascension
Local Multiplayer Archery Chaos!
Sagittarius
Competitive cosmic archery!
Super Clash Bros (pre-alpha)
What if Smash Bros kept the characters accurate to their original games? And added a bunch of new stuff?
pacapong
Pacman + Pong + Space Invaders
Paddle Force
Two player fast-paced pong-like with powerups set in space.
Neon Knives
Blend into the crowd, hunt down your opponent, and take them out. Couch multiplayer.
Magical Prisma Demo
Match X Fight
Ultimate Tic-tac-toe: New Rules
A tic-tac-toe within a tic-tac-toe
★FROG SMASHERS★
Local Multiplayer Brawler about hitting frogs with baseball bats
Birdsketball
Local multiplayer basketball with birds
Tachyons
It's like FTL but multiplayer :)
Sticky Cats
A 2-4 player competitive cat fishing game