I was placing firebricks around and got this idea! Imagine a gamemode kind of like Creep gamemode, but it has a twist.
There will be a 'fire brick' which spreads however fast you set it to spread via RTB prefs. The fire brick spreads and kills bricks that aren't baseplates or spawns.
The fire will hurt you and burn you until you die, and when you catch fire you spawn fire bricks where you're standing.
Although, there's a way to fight the Wildfire by using a fire extinguisher, which clears it slowly depending on the rtb prefs. Killing a firebrick will give you a point, and as the health runs out, it starts 'burning out' by changing colors.
Green: Invincible
White: Most powerful
Blue: Tough
Red: Normal
Orange: Weak
Yellow: Really weak
Black: Ash
When a firebrick is killed, the brick itself doesn't get destroyed, it turns black and doesn't spread or catch others fire.
Like I said, it will kill bricks that aren't spawns or baseplates. This would work by the firebrick "burning" through bricks by an rtb pref-set chance, and then spreading faster from that point temporarily.
Whilst on fire, you can catch other people on fire accidentally, too.
And that's my game-mode idea :o