In celebration of QuakeCon 2012, Id Software has dropped the prices of their iOS games to $0.99. (It might also be a show of good faith upon the news that they’ve shut down their mobile team.) Anyway, a handful of other developers have put their games on sale, too, meaning you can scoop up a slew of great games for cheap or free this weekend. Check out our picks for the best of the best below.

Free

6th Planet – Review – 4/4 – (was $0.99) – Open in iTunes

Box Cat – Review – 3/4 – (was $0.99) – Open in iTunes

Harbor Master – Review – 4/4 – (was $1.99) – Open in iTunes

iBlast Moki HD – Review – 4/4 – (was $4.99) – Open in iTunes

Max Adventure – Review – 4/4 – (was $0.99) – Open in iTunes

Shoot the Zombirds – Review – 3/4 – (was $0.99) – Open in iTunes

Tiki Totems 2 – Review – 3/4 – (was $0.99) – Open in iTunes

On Sale

Another World – 20th Anniversary – Review – 4/4 – $0.99 (was $4.99) – Open in iTunes

Doom Classic – Review – 4/4 – $0.99 (was $4.99) – Open in iTunes

Doom II RPG – Review – 3/4 – $0.99 (was $2.99) – Open in iTunes

Invader Hunter – Review – 3/4 – $0.99 (was $2.99) – Open in iTunes

Rage HD – Review – 3/4 – $0.99 (was $1.99) – Open in iTunes

Total War Battles – Review – 4/4 – $1.99 (was $4.99) – Open in iTunes

Wolfenstein 3D Classic Platinum – Review – 4/4 – $0.99 (was $1.99) – Open in iTunes