Having two characters to play and two sets of attacks was a nice touch and played well to the jam theme. The combat felt well balanced and character levelling up was good. We were down to 3 health when we were up against the first T-Rex and it was nail-biting to see if we'd survive. Pickups were good and grenades were obviously our favourite. Sound was good and well placed. The background music was very Minecrafty, which was nice.
The graphics were perhaps the thing that let the game down a bit. The textures were a little jarring in places and made it hard to keep track of what was going on.
Overall, good job on making a complete and playable game. Best of luck in the jam.