"trampdown" tile.
- [+] check difficulty curve
- [+] Level 1-17 (mountaineering)
- [+] move to level 19 due to difficulty.
- [+] increase hurryup period to 60 seconds
- [+] 2-9 a lot harder now that planets shoot - move later.
- [+] sand castle - unintentionally hard to get up. fixed
- [+] don't draw anchor powerup on king cloud
- [+] don't create magic lamp coins on top of spikes
- [+] redraw egg.png (ant food from king ant)
- [+] draw player 2 death text in correct player colour
- [+] allow player 1 be mrs dwarf - press 1up/2up again on mode
selection screen