NXEngine Evo is a complete open-source clone/rewrite of the masterpiece
jump-and-run platformer Doukutsu Monogatari (also known as Cave Story) created by Studio Pixel (https://studiopixel.jp/).
NXEngine Evo is an upgraded/refactored version of NXEngine by Caitlin Shaw (http://nxengine.sourceforge.net).
Arrow keys to move
A Select previous weapon
S Select next weapon
W Map (only available after you've obtained the item in-game)
The default controls can be easily changed under Options : Controls. Joysticks are also supported (you should only need to change the controls in the options menu).
For versions of Ubuntu between 14.04 LTS (Trusty Tahr) and 15.10 (Wily Werewolf), as well as Ubuntu flavours that don’t include snap by default, snap can be installed from the Ubuntu Software Centre by searching for snapd.
Alternatively, snapd can be installed from the command line:
sudo apt update
sudo apt install snapd
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
Install NXEngine Evo
To install NXEngine Evo, simply use the following command: