He dropped his keys....sad story. :(

(These may or may not work. Cleaning house.)

Go ninjas, go ninjas, go!

Dawn of Fantasy : Kingdom Wars - DM1WC9T0GX7R20YUHVKN?SEVL

Teleglitch: Die More Edition - https://www.humblebundle.com/gift?key=Pp6eps?4caZaXaez

Rainbow Saga CBT 2 Free Gift Pack - MEDI?00803729CWK9JM2

Villagers and Heroes: Hero of Stormhold DLC Pack - Q032T-R2?KC-LMIBH

Geneforge Saga - DMRPK-WL?NR-3H7MD

Millennium 2: Take Me Higher - JTWFL-Q9JFJ-DLTC?

Space Tank - JO?8S-BFOTG-NO3XH-BHEXR-7Q608 (Desura)

Millennium 2: Take Me Higher - T6BYY-FOB01-DSLFO-CX?04-CPEJU / NNPH8-VZVTX-SLL13-94IS2-PL?K5 (Desura)

Alterego: Dreamwalker - PKT4Q-1GIWX-7EG?B-6O7IT-FFQ49 (Desura)

Love+ - LG1?X-U1XGB-GJYJV-KJFJJ-2MIGC (Desura)

Smooth Operators: Call Center Chaos - MFPS1-4?DYA-C0ROY-QKW0J-H41JD (Desura)

SanctuaryRPG - ITF54-XU?JL-ODRMQ-MMZJD-F83GK (Desura)

? = 0-9

EDIT:
Forgot one: Tobe's Vertical Adventure - http://www.indiegala.com/game?game_id=b6e1a81?e93211e3bf2ad7f3811580f5

Enjoy!