Games you've completed time and time again.

[MrT-Tar]

Mainline Pokemon RPGs (mainly first 2 gens) - countless times

Zelda OoT - at least 10 times (one on 3DS, all others on GC)

Wind Waker - at least 8 times

Super Mario World - at least 5 times

First and Second Age of Empires games - Countless times, probably more than 1200 hours combined