Starts out well enough, but eventually gets too complex for its own good.  Also, occasionally my character will move twice when I only press the arrow key once.

This is fun and works great on linux(as stand alone machine).

-Computer-
Processor : 2x Pentium(R) Dual-Core  CPU      E5300  @ 2.60GHz
Memory : 4036MB (871MB used)
Machine Type : Physical machine
Operating System : Puppy Linux
User Name : root (root)
Date/Time : Tue Jun 25 09:35:09 2019
-Display-
Resolution : 1366x768 pixels
OpenGL Renderer : Mesa DRI Intel(R) G33 
X11 Vendor : The X.Org Foundation
-Audio Devices-
Audio Adapter : HDA-Intel - HDA Intel
Audio Adapter : PC-Speaker - pcsp
-Input Devices-
 Power Button
 Power Button
 USB Optical Mouse
 Microsoft Comfort Curve Keyboard 2000
 Microsoft Comfort Curve Keyboard 2000
 HDA Intel Front Mic
 HDA Intel Rear Mic
 HDA Intel Line
 HDA Intel Line Out Front
 HDA Intel Line Out Surround
 HDA Intel Line Out CLFE
 HDA Intel Line Out Side
 HDA Intel Front Headphone
 PC Speaker
-Printers (CUPS)-
CUPS-PDF : <i>Default</i>
HP_Deskjet_F2400_series
-SCSI Disks-
ATA SAMSUNG HD642JJ
HL-DT-ST DVD+-RW GH50N
Generic- SD/MMC
Generic- Compact Flash
Generic- SM/xD Picture
Generic- MS/MS-Pro