Humble Bundle Repetition (aka All-Stars)

https://www.humblebundle.com/
1 week to the end. steam keys + drm free.

1$

Super Meat Boy
World of Goo
Dustforce DX (+ play via web browser)

bta 4.45$ atm

Limbo
Braid
Dungeon Defenders Collection (+ Android)

bta + 1$

Risk of Rain
Antichamber