So ... I was browsing my computer...

...and I found some keys I don't realy need anymore...
Have fun, it's time I cleaned these up! :)

All keys are for steam.
To make sure no bots get the keys I changed the - by =.

Commandos: Behind Enemy Lines

• AR32T=3ML3I=IBLZW
• AR3J7=KJCW3=W9C6Z

Commandos: Beyond the Call of Duty

• AMJL4=7BYI3=NIV49
• AML09=VNERM=RVRJT

metro 2033

• 3XB9H=2B0EQ=30BA8

Penny Arcade's On the Rain-Slick Precipice of Darkness 3

• WVGC8=YWHXN=EDI4V

Alan Wake Collector's Edition Steam Key

• BYPT3=E77W8=RGHGY

Alan Wake's American Nightmare Steam Key

• QRE8F=7PAL2=5H5CC
• EJ2G0=CAPMZ=TNGEN

Nuclear Dawn

• LMPC5=ALI95=FKR6C

Iron Grip: Warlord

• 6RX8N=TKAZL=5F8JZ

Two Worlds II

• YI67L=FXI3Q=HY33J

If you find one, leave the rest for someone else, let everyone have the chance to find one. :)
Say thank you if you like the post, it's another boost for my ego. ;)
Good luck and have fun!