I'm sure you can figure out how to use these...

Holy Avatar vs. Maidens of the Dead H2NTJX-VENQD-2Z6QHH
Holy Avatar vs. Maidens of the Dead H0IV0B-4X0B4-5Q9QGH
Hiiro H6C575-AM9PK-2LV9FH
Hills Of Glory 3D H8H9Y0-7MXWW-8ZGIVH
Hills Of Glory 3D H20LY6-Y7K3X-HICLBH
Hit Tank PRO HRTLF7-HTXIT-M0NPPH
Hitogata Happa H74K7R-2PXW9-8ACWNH
Hitogata Happa H74QAK-6WYN9-Y7CDFH
Hitogata Happa H74QMA-89BYZ-HPCITH
Hoard Complete Pack H0IEYJ-X758F-GFDGRH
Home Sheep Home HDYW6Y-2HE4X-EWHRVH
Home Sheep Home H5IQ9G-PJF65-554K9H
Home Sheep Home H5INTX-Y7GBP-C7PF7H
Home Sheep Home H5IVA7-7NMJQ-E8H93H
Hook HGGL6X-4BG5Q-P0V2RH
Hook HGGEXI-CJETW-7EXHZH
Hooligan Vasja H7KGEA-JW6XI-FEBKYH
Hordelicious H8B693-VNDTE-2DIK7H
Hordelicious H8B5GT-7M34M-TI06GH
Hospital Manager H5PIFL-9QZXI-26I0QH
Hospital Manager H5PPQ0-DXR9A-2MD2AH
Hospital Tycoon HMA4GB-095FQ-7EVB3H
Hot Dish H6IB3W-LNQEV-234C5H
Hotel Blind H689XG-VBZ30-LI63NH
Hotel Blind H68INH-EY247-ZYIPGH
Hotel Giant 2 HD H74JEK-RCNG6-64796H
House of Caravan H4HB8M-L596J-ML0WPH
Houston, we have a problem H50ML4-DKV45-3LR9KH
Houston, we have a problem H50PGQ-37DM6-87T8LH
Hoven the Sages Spinel H3R8L8-I2W2C-WR56NH
Hoven the Sages Spinel H3TPQC-QXBAF-2R0KCH
The Howler H3XQ9F-5N4BA-PJXZ3H
Hunted: One Step Too Far H5YGFD-HQQ8G-GLFVWH
Hunted: One Step Too Far H5YFP5-P7MHA-ZZIIXH
Hunting Unlimited 2008 H3NKZG-4A9EV-6N7XVH
Hunting Unlimited 2010 HI2CT3-AWWTA-P0NYXH
Huntsman: The Orphanage (Halloween Edition) HECN2G-EHWTG-EM4XAH
Huntsman: The Orphanage (Halloween Edition) HG2J0B-0HV5V-PTDMCH
Hyper Box H49EH7-A5RJG-IHKXPH
Hyper Box H6AP5E-T300C-2M5KBH
Hyperdrive Massacre H6YL3F-BFNXZ-IPA93H
Hyperspace Invaders II: Pixel Edition H4QBZN-ERALI-FP595H
Hyperspace Invaders II: Pixel Edition H0ERPG-EJ7QQ-G687TH
Hyperspace Pinball HH3HHV-N952F-H6AEHH
Hyperspeed H7IKZ7-6K3NL-CZMQTH
Hyperspeed H7ILJK-32RAV-70TMHH
Hyposphere H7DP5R-0R7MT-PPT9HH
Hyposphere H7DMVB-79LL0-3R9P4H
Hypt H88CZ8-7VM3C-Z8XP4H
Hypt H88K6A-75X9N-B9BZTH
Hypt H88JJH-C0WVV-BRW94H
Hyspherical 2 H8DZ3J-3V6NX-WTVFGH