Grand Prix Multiball
Updated 5/24/26 by unrared.
Grand Prix is primarily controlled by the mid-playfield, left and right-side targets and kick-out holes.

Activation
1. G-R-A-N-D Lock
- During
green_flag, hit the Apron Saves targets_save_targetto build up thegrand_counter. - With "G R A N D" lit, the
grand_holemultiball lock is enabled per thelogicblock_grand_counter_completeevent. - Entering the
grand_holelocks the ball there.
2. P-R-I-X Lock
- Mirroring "G-R-A-N-D", the Advance Awareness Bonus target
s_bonus_targetincrements theprix_counter. - With "P R I X" lit, the
prix_holemultiball lock is enabled per thelogicblock_prix_counter_completeevent. - Entering the
prix_holelocks the ball there.
3. Backfire Lock

Unlike the other multiball modes, Grand Prix Multiball begins with the
balldevice_bd_backfire_hole_ball_entered event in
modes/pit/config/event_player.yaml conditionally firing
grand_prix_multiball_ready based on the state of both the counters and
locks described above.
Shots
No shots at this time.