Speedrun Platformer is a rush-style racing game. Across four environments and 40 levels, the player attempts to navigate their avatar safely through dangers to black-and-white checkered finish areas and giant golden trophies.
The four environments are Dense Forest, Insidious Desert, South Pole and Dwarf Caves. Each one has 10 timed levels. The player receives only three minutes to complete each run. They start out with the Hopper character.
The game offers both coin and gemstone rewards from play and ad views. When the player saves up enough garnet-like gems, they can switch to the Pink, Mask or Frog avatars. They can use their coins to buy different types of racing plumes that the avatar kicks up when running, such as gold stars, rainbow stars, and red hearts.
Speedrun Platformer features pixelated graphics and gameplay similar to the Super Mario games. For example, the player often must direct their avatar to jump into the air to collect coins or drop down on enemies from above, including mushrooms and flying bats. If the player's avatar dies three times, as noted by the loss of red heart lives in the upper-center area, they must restart the last played level.