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A member registered Apr 15, 2017 · View creator page →


Recent community posts

Nice idea of being a bat having some kind of echo visor.

Looks like a real game, nice music, a title screen with explanations, echos look very good, but multiple echos at once don't work nicely.

Just the same all the time, there seems to be no goal, it's confusing, that you warp around (probably the world moves),

The idea matches the theme very well. The music and general atmosphere could be a bit darker.

I get this error:


Error while trying to load definition for system batty from
   Component :DEPLOY not found, required by NIL


Seems, this repo is not in quicklisp. Where can I find it?

No, game didn't crash.

Without glowing atmosphere it's darker ^^

But I don't get the problem, that it's visually not distinguished from others. In many games, other objects (enemies or other players for multiplayer) look like the controllable object. When not sure, just press a button, and see, if it moves. When you look at the texture of the planets, which rotate or move, you see, that the motion is working.

The reference of how to control things etc. is written in the README.md

It's not that creative yet. There are just rooms. But they look good. Nice changing colors depending on daytime.

It's also not entertaining, because I can just walk around, and the walking doesn't work good. When I release a button, the player stops, and it often happens, that I first press the button in the different direction and then relese the button of the direction where I walked before. I first thought, there are invisible walls everywhere.

I also don't know, what this has to do with darkness.

Since the game is not finished, it's ok, but improving the controls shouldn't have been a problem.

Pretty simple design, nice idea, but not that special.

Looks ok, pretty intuitive handling.

Not entertaining, I die very fast, and it's to difficult to start another round.

Black and white as only colors, gameplay even depends on darkness, so the theme is matched pretty good. A dark atmosphere or similar would also be nice.

Add install instructions.

I have no idea how to install this. I don't even know, which language this is written in, or where the source code is.

The pics are displayed at a weird positions, so this is not fun.

Is this a bug?

You almost can't do anything, and when misusing the :territory command, the game shuts down

I get an error when running the game.


Creating OpenGL window...

debugger invoked on a TYPE-ERROR in thread
#<THREAD "main thread" RUNNING {10027FE5C3}>:
The value
is not of type

Type HELP for debugger help, or (SB-EXT:EXIT) to exit from SBCL.

restarts (invokable by number or by possibly-abbreviated name):
0: [ABORT] Exit debugger, returning to top level.




there is a linux binary in the zip, if you don't have linux, you need a common lisp and quicklisp

The camera does not follow the player correctly, sometimes it doesn't follow at all.

Here the backtrace:

Backtrace for: #<SB-THREAD:THREAD "main thread" RUNNING {1005266DF3}>
0: (SB-DEBUG::DEBUGGER-DISABLED-HOOK #<SDL2::SDL-RC-ERROR {10053278B3}> #<unavailable argument>)
3: (ERROR SDL2::SDL-RC-ERROR :RC -1 :STRING "That operation is not supported")
6: (NINJA-SPHERE:RUN :W 1536 :H 864)
7: ((LAMBDA NIL :IN "/home/rpav/vcs/git/common-lisp/ninja-sphere/build.lisp"))
8: (SDL2::HANDLE-MESSAGE (#<FUNCTION (LAMBDA NIL :IN "/home/rpav/vcs/git/common-lisp/ninja-sphere/build.lisp") {100006D94B}>))

unhandled condition in --disable-debugger mode, quitting

My pc should support opengl up to version 4.5

The game does not run for me:


STYLE-WARNING: Undefined alien: "SDL_main"
STYLE-WARNING: Undefined alien: "gk_create"
STYLE-WARNING: Undefined alien: "gk_destroy"
STYLE-WARNING: Undefined alien: "gk_process"
STYLE-WARNING: Undefined alien: "SDL_main"
Unhandled SDL2::SDL-RC-ERROR in thread #<SB-THREAD:THREAD "main thread" RUNNING
SDL Error (-1): That operation is not supported


I have libsdl2 installed


you may add it to the install instructions, for people not familiar with chicken scheme

It does not compile, I get the error

`Error: (import) during expansion of (import ...) - cannot import from undefined module: system`