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Select Constant Angular Velocity or Constant Linear Velocity to change the sling's physics model.
Use WASD Keys or Touch Buttons (arrows on mobile) to move the person: W (up), A (left), S (down), D (right).
Press Spacebar or tap Throw (button below game) to release the mass after a delay.
Adjust Sling Length, Rotation Rate (rotations per second) or Throw Speed, and Release Delay to change the sling's behavior.
Adjust Target Width (10–200 pixels) to change the target's horizontal size.
Check Moving Target to make the target move horizontally, and set its speed with Target Speed.
Check Pop-up Target to make the target pop up and down (0.5s to pop up, 0.5s to drop down), and adjust Cycle Time (1.5–10s) and Duty Cycle (time at full height).
Check Laser Guide to show a ghost mass at the ideal release position with a yellow line to the target center.
Check Pause Between Shots to pause the game after each shot, showing the mass, trail, ghost mass, and laser line for analysis; click Resume to continue.
Hit the target (fully up for pop-up mode) to score a hit; you have 5 shots per game.
Press Q or tap Reset (button below game) to start a new game, resetting positions and scores.
Press R or tap Reload (button below game) to add 5 more shots without resetting positions, continuing to tally hits and misses.
View shot analytics (angles, positions, speeds, width, timing, and hit/miss status) in the Game Log below, expandable via the "Show Game Log" toggle.