Two very low requirement games.

Game 01 : Garden Rescue: Christmas Edition

Winter is hibernation time for insects, but not in our garden! It will be hot here again this winter, and beetles are launching a full-scale offensive against the Christmas trees – on Christmas Eve! All garden dwellers are ready for the defense, and it is up to you to get into the thick of the battle and head the "Green Resistance". Earn new bonuses and win trophies as you help the plants stop the beetles from taking revenge for their recent defeat in Garden Rescue: Christmas Edition!

Positive reviews. Score: 81% positive, 19% negative.

System Requirements
OS: Windows XP, Windows Vista, Windows 7, Windows 8
Processor: 1000 Mhz
Memory: 512 MB RAM
DirectX: Version 9.0
Storage: 160 MB available space

Game 02: Battlepaths

This giveaway also come with this additional game which i'm not able to gift because is not in the gamelist.
I'll send the key for this game by email to the winner.

Battlepaths is a loot-centric and addictive 2D-RPG featuring neat monster hacking, an excellent loot system, and great variety in character development. Learn skills, use powerfull potions, and hunt down the Chaos Overlord.

Mixed reviews. Score: 68% positive, 32% negative.

This game have very low requirements:

System Requirements
OS: XP
Processor: 1.6Ghz CPU
Memory: 512 MB RAM
Graphics: Direct3D support
DirectX: Version 9.0
Storage: 175 MB available space
Sound Card: Any

Good luck!