Any of these for McPixel Cards (1 key for 1 card)?

• Penny Arcade's On the Rain-Slick Precipice of Darkness 3 (steam key)
• 8 Bit Commando (desura key)
• Eleusis (desura key)
• Fairy Bloom Freesia (desura key)
• Paranautical Activity (desura key)
• RADical ROACH (desura key)
• -10% Toki Tori 2 (steam coupon)