Computer: Click the flag. Use the arrow keys or WAD to move and jump on walls to wall jump. Press the space to restart the level. Avoid red and get to yellow. Extreme danger: Orange is way too bouncy. Mobile: Click the flag. Click and hold the spot you want the character to go. Click the character to redo the level. Once again avoid red and go to yellow. Orange means bounce.
All of it is in my original project. Also Toby Fox for The World Revolving. This is basically just an easier version.