Muffin Knight is an arena based platformer that is $0.99 upfront but also includes in app purchases.
Ranked in these QuestionsQuestion Ranking
Pro Good controls
For what can make or break every platformer in existence, Muffin Knight luckily has great controls.
Pro Controller support
Moga and Moga Pro controllers are supported.
Pro Stylish 3D graphics
The graphics are presented in a 2D environment but are rendered in 3D.
Pro Includes co-op multiplayer
There is cross platform (iOS,Android) co-op multiplayer available to all players.
Con Contains in app purchases on a paid upfront title
There are optional in app purchases that can be used to make the game easier.