Ludum Dare #50compo
Invaasion
A tower defense game,
with retro graphics, sound and music.
Description
===========
HTML5 Web version ( Firefox-only! ) : http://code.alaiwan.org/games/LD/invaasion/game.html
Build turrets and defend your land from the invaders!
How long will you last?
Each turret type has its own characteristics : rate of fire, firepower, rotation speed, ... and, more importantly: metal cost.
You have a constant rate metal income, kill invaders to get more metal units !
The music is a tribute to two classic NES games, will you recognize them both ?
Making-of
=========
This game was made using the following tools:
- Custom "Deeep" Engine
- Vim/GNU Make/GNU g++/Emscripten
- Gimp/Audacity/Sfxr/BitwigStudio
- SDL2/OpenGL/stb_vorbis
with retro graphics, sound and music.
Description
===========
HTML5 Web version ( Firefox-only! ) : http://code.alaiwan.org/games/LD/invaasion/game.html
Build turrets and defend your land from the invaders!
How long will you last?
Each turret type has its own characteristics : rate of fire, firepower, rotation speed, ... and, more importantly: metal cost.
You have a constant rate metal income, kill invaders to get more metal units !
The music is a tribute to two classic NES games, will you recognize them both ?
Making-of
=========
This game was made using the following tools:
- Custom "Deeep" Engine
- Vim/GNU Make/GNU g++/Emscripten
- Gimp/Audacity/Sfxr/BitwigStudio
- SDL2/OpenGL/stb_vorbis
Comments14

LDJam user 2024084 Apr 2022, 13:15
awesome game, I was confused at first and kept spamming the cheapest tower, but once I got the hang of it it became more fun. I would recommend you put a little description with how to play or something, but all in all this game is quite fun

cogcomp4 Apr 2022, 21:30
A fellow emscripten user :wink: Nice to see that not everyone is using a pre-made game engine! I don't know which NES games inspired the music but the music is great! Digging it! Well done!
sergio_nikol6 Apr 2022, 08:53
Nice classic arcade game. Sound is too loud.

F1Krazy6 Apr 2022, 17:59
I'm not sure if it's just me, but it feels like the difficulty ramp is a little off. I was able to get by pretty comfortably, without really feeling like the game was challenging me. In fact, somewhere around the 500-point mark I was starting to get bored, and then the game suddenly just went mental and started spawning an endless torrent of enemies that are impossible to deal with because you can't build fast enough to do so. It might just be me, though. I don't have any suggestions for how that ramp could be smoothed out.
As for the game itself, the graphics and music have a pleasing old-school theme to them, and I like the freedom of being able to place towers anywhere you want instead of being restricted to a path. The fact that you even built the engine from scratch only makes this more impressive. Well done!
As for the game itself, the graphics and music have a pleasing old-school theme to them, and I like the freedom of being able to place towers anywhere you want instead of being restricted to a path. The fact that you even built the engine from scratch only makes this more impressive. Well done!

superpokeunicorn7 Apr 2022, 04:40
Pretty fun tower defense game. I like how the enemies could destroy the towers, so placement had to be considered carefully. It reminded me a lot of Plants vs Zombies in that way. It does start off a bit slow, but it gets pretty fun as things pickup. Also, the song is a banger. Overall, solid game. Nice work!

ubershmekel7 Apr 2022, 05:37
I was pretty sure I figured this game out and that I'll never lose. Then this wave came....
I'm a sucker for tower defense.
I tried random towers. When I realized that towers die when aliens touch them, I thought I'd make a wall with the cheap towers. But that turned out to be wrong, I needed more firepower.
I made a sheet comparing DPS per cost of units. That got me to the 560 score. Then I tried a purely long-range M29 strategy. That sucked, because of the low fire rate I only made it to 220. So I went for a purely XW2 strategy, as they have the highest DPS per dollar with the #2 range in the game, and the #2 highest fire rate. Making a line of those got me up to 650. And I don't think you can go much further than that with the current game.
It would have been great to have a 2x and 4x speed modifier. It got a bit boring to wait out sometimes. Still, I had lots of fun. Thank you for the game!
I'm a sucker for tower defense.
I tried random towers. When I realized that towers die when aliens touch them, I thought I'd make a wall with the cheap towers. But that turned out to be wrong, I needed more firepower.
I made a sheet comparing DPS per cost of units. That got me to the 560 score. Then I tried a purely long-range M29 strategy. That sucked, because of the low fire rate I only made it to 220. So I went for a purely XW2 strategy, as they have the highest DPS per dollar with the #2 range in the game, and the #2 highest fire rate. Making a line of those got me up to 650. And I don't think you can go much further than that with the current game.
It would have been great to have a 2x and 4x speed modifier. It got a bit boring to wait out sometimes. Still, I had lots of fun. Thank you for the game!
iDunnyX8 Apr 2022, 06:12
Tower defense in the time limit, you are the hero of this jam! good job

hmightypirate10 Apr 2022, 10:01
I like the retro aesthetic and the music. My best score was 554.
I don't know if there are strategies better than others but I think the game has potential.
I don't know if there are strategies better than others but I think the game has potential.

eboatwright12 Apr 2022, 02:34
Fun game! I like the music and sounds, though the game could have used a bit more polish and balance like screen shake or particles when enemies explode. Other than that, great game!

eboatwright12 Apr 2022, 02:35
The ability to destroy towers would be nice :smile:
piscythe16 Apr 2022, 05:31
Went to 630 on attempt 1. It was fun experimenting with towers, but it's definitely not obvious what does what and the answer is apparently "XW2 spam is blatantly superior to everything". This game sets a good arcadey tone, but the sheer number of sound effects later on causes the audio to become a distorted hellscape. That last wave - you were not messing around with the "inevitable" part. I think any improvements on that are most likely gonna be marginal but who knows? Maybe someone will hit 700. GG

Ankea16 Apr 2022, 12:32
Nice one! i am not a fan of defense games but it got really good feel to it. And like the graphics and the music and the overall mood.
evgeney2428 May 2022, 04:36
Pretty fun tower defense game



Good game and thanks for the upload!!