Release date: September 28, 2011 (May 28, 2012 for the Wrath of the Lamb)
Price: $5 (+$3 for the Wrath of the Lamb)
Store page: http://store.steampowered.com/app/113200
Wrath of the Lamb page: http://store.steampowered.com/app/113204/
Scenario and Gameplay
When Isaac’s mother starts hearing the voice of God demanding a sacrifice be made to prove her faith, Isaac escapes into the basement facing droves of deranged enemies, lost brothers and sisters, his fears, and eventually his mother.
The Binding of Isaac is a randomly generated action RPG shooter with heavy Rogue-like elements. Following Isaac on his journey players will find bizarre treasures that change Isaac’s form giving him super human abilities and enabling him to fight off droves of mysterious creatures, discover secrets and fight his way to safety.
Randomly generated dungeons, items enemies and bosses, you never play the same game twice.
Over 200! unique items that not only give you powers but visually change your character.
100+ enemy types each with the ability to become "special" making them extra deadly but they also drop better loot.
Over 30 bosses.
10! full chapters spanning 9 levels
7 unlockable classes
Over 80 unlockable items, enemies, bosses and more.
What does this Item do ? - The Official Wiki
The game is unbalanced ! - SPUF Forum
Ask Ed anything ! - Edmund McMillen's Formspring