Here’s some interesting tech facts about Tap-Fu:

• Created from scratch over a 5 month period
• 443 individually crafted character sprites (128×128 each) in 7 1024×1024 textures (loaded as 16 bpp). No PVR compression on sprites.

Full Tap-Fu Sprite Sheet

• Environment textures are all PVR compressed (4bpp). Six 512×512 and four 1024×1024 textures.
• Main theme 0.6 MB .caf file. Streamed from file.
• 87 unique sounds. Uncompressed .wav (PCM) files with varying bitrates tweaked by hand. Steamed from file via OpenAL
• Streaming levels (for story mode)
• Engine is 100,000+ lines of code. Game specific code is 10,000+ lines.