| 1 | Throw just one comet each! |
| 3 | Left-handed throws only! |
| 5 | Eyes shut! |
| 1 | Furthest away comet wins instead! |
| 3 | Do a trick shot! |
| 5 | Everyone throws at the same time! |
| 1 | Throw with T-Rex arms! |
| 3 | Roar when throwing! |
| 5 | Throw all your comets! |
| 1 | Overlapping comets are all extinct at end of round! |
| 3 | Left-hand throws only! |
| 5 | Winner of the round chooses any one Dinosaur for extinction! |