likely during that good sale it just had last few days.
It's the humble weekly bundle right now
Any price for VX Ace, DLC bundle 1, and a few games: skyborn, sweet lilly dreams, and Free games bundle 1
$6 or more adds XP, Exclusive resource pack, DLC bundle 2, and the games To the moon, Deadly sin 2, Free games bundle 2
$12+ adds Game character hub, DLC bundle 3, and the game Legionwood 2, rise of the eternal's realm