Hol UP! (under development)

I ve recently starting to develop a split screen w player game ... right now i ve just finished setting up the character and his movement WASD F for left grab G for right grab space to jump....for now the game concept is a wobbly character in a sky land ...there will be 4 mini games (capture the flag/red light green light/ dodging obstacles till reaching finish line / kart racing)....ur feedbacks and ideas might help me a lot to turn it into a masterpiece ....also any donation would be appreciated and would motivate me to carry on working on the project