ULTRONO ARENA 4000

A puzzle engine based on rewrite rules. Pick a game below. Each includes a scratch board editor for trying custom levels.

Featured Games

The best place to start.

Game

28 levels

-----
>*--o
-----

Guide the laser beam (or carrot, or whatever) to its target.

Polished Games

Original games with focused designs.

Crash Landing

14 levels

-----------!---------------!-----
---------------------------------
o*---------o---------o-----------
---------------------------------
--------------------------------!
_________________________________
O2:..............|---------------

Dockstep

36 levels

xxxxxxxxxxxxxx
x1--------2--x
x---x--------x
x---x--------x
x---x-a--b---x
x------------x
x------------x
xxxxxxxxxxxxxx

Guide two characters to their targets simultaneously.

Classic Clones

Implementations of established games and classic puzzles.

Fifteen Puzzle

1 level

1234
5678
9ABC
DEF-

Slide tiles into the empty square until they read 1..F in order.

Hanoi

1 level

---------------
---1-----------
---2-----------
---3-----------
---4-----------
---!---@---#---
--*------------
_______________
%--------------

Move the stack to the other side.

Game of Life

9 levels

--------xx--
xxx-----x---
-----------x
----------xx
------------
-xx---------
x--x---xx---
-xx----xx---

Pacman

1 level

████████████████████████████
█············██············█
█·████·█████·██·█████·████·█
█•████·█████·██·█████·████•█
█·████·█████·██·█████·████·█
█··························█
█·████·██·████████·██·████·█
█·████·██·████████·██·████·█
█······██····██····██······█
██████·█████ ██ █████·██████

River Crossing

1 level

W-----------------------
G-----------------------
C-----------------------
#B--------------------$-
------------------------

The wolf, goat, and cabbage puzzle.

Rush Hour

20 levels

######
#xxxv#
#rZZv>
#r cc#
#reee#
######

Free the red car by sliding vehicles around.

Snake

1 level

xxxxxxxxxxxxxxxx
x              x
x              x
x     .        x
x              x
x    ***       x
x              x
x              x
xxxxxxxxxxxxxxxx
           0000 

Sokoban

1 level

##   #
o*x  #
## xo#
o##x #
 # o #
x Xxxo
   o  

Cover the holes with the boxes.

Tetris

1 level

__________ ======
----------|=----=
----------|=----=
----------|======
----------|      
----------|      
----------|      
----------|      
----------|      
----------|      

Theseus and the Minotaur

10 levels

_ T _#_
 ### ##
_ _#_ o
 ### ##
_ M _#_

Escape the labyrinth.

Playable Toys

Original experiments and demos.

Arithmetic

1 level

-----x--o
--x--x---
--x--x---
*-x------
_________
_0000000$
+0000000#
_________
00000000@
_________

Add pairs of numbers.

Basic Game

1 level

*-----
------
---!--
------
------

A minimal example for understanding the game format.

Bet

19 levels

----------|==========
----------|==========
----------|==========
----------|==========
----------|==========
----------|==========
_____________________
#____________________
COUNTDOWN:___________
BALANCE:________10$__

Bet on which side has more dots.

Fight

1 level

-----------------------------------
-----------------------------------
-------------*---------@-----------
-----------------------------------
___________________________________
*:...........-@:..................-
#_---------------------------------
POTIONS:...------------------------
STAMINA:....----------------[-----]
*|---|-----------------------------

Turn-based combat.

Turing

3 levels

###################--!--!--!--!--!--!--
#State:A---------##--A--A--B--B--C--C--
#----------------##--0--1--0--1--0--1--
p--------v-------q#--1--1--1--1--1--1--
#0000000000000000##--B--C--A--B--B--H--
###################--R--L--L--R--L--R--
---------------------------------------
-----------------------*---------------
-A--B--C--0--1--L--R--H----------------
-A--B--C--0--1--L--R--H----------------

An interactive, programmable Turing machine simulator.