- For the multiplayer power-up, see Tension Bonus (multiplayer).
The Maximum Tension Bonus, also known as the Max Tension Bonus (MAXテンションボーナス Makkusu Tenshonbōnasu?), is an Item Box power-up that appears in the Sonic the Hedgehog series. A more powerful version of the Tension Bonus, it can fully charge the Tension Gauge.
On Item Boxes, the Maximum Tension Bonus' icon has varied in design between games.
Sonic Rush series
The Maximum Tension Bonus first appeared in Sonic Rush under the name Max Tension Bonus (MAXテンションボーナス Makkusu Tenshonbōnasu?). In this game, the Item Boxes with this power-up are marked with a sparkeling yellow star icon, like the one on top of the Tension Gauge. This power-up also only appears in Gameplay mode.
Sonic Rush Adventure
In Sonic Rush Adventure, this power-up is referred to as the Maximum Tension Bonus. In this game, the Item Boxes with this power-up are marked with the icon of a red and white meteor heading upward. This power-up also only appears in Adventure Mode.