(FROM LEFT TO RIGHT)
1. Original PC-Engine version
2. Slight modification of original PC-Engine version
3. A version for the PC-Engine I made derived from the SNES version
4. Actual SNES version
5. 9-bit Kung Fu (R). Modified PC-Engine bamboo and floor with the sky from the arcade version. (Yes, the arcade version had a moon.)


For comparison here is a similar screen shot of the arcade version:
