In game "achievements" (unlockable units) Hobbits* : View instructions and credits. *Dwarves* : Load the game 3 times. *Bomberman* : Lose 3 games. *Red Dragon* : Beat level 17. *Devil* : Beat level 18. *Angel Soldier* : Max out the research tree for all races. --> Repeat this message to keep the information alive.
the lag is because there are many enemies, and the arrows sticking to them can really start to pile up. Some enemies clear arrows when they do a specific move, but many enemies do not clear arrows off of them, leading to many objects on screen and lag.