Echoes Of Steel
A third-person shooter with melee and shooter enemies. Unlock ancient alien wisdom by shooting enemies in your way and reaching **important boxes**

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This game is a brutally hardcore sci-fi tower defense, featuring BBS-era and ASCII graphics. You are a commander who must use everything at your disposal to stop the AI horde from opening the rift, and unleashing a cosmic horror upon the earth.
Platforms
macOS · Linux · Windows
Developer
Publisher
Last sync
September 26, 2026
Hold It In is a hardcore sci-fi tower defense roguelite, focussed on deep strategic combat and sandbox play.
You play as a commander who must use at everything at your disposal to hold closed a rift, from which interdimensional horrors are staring out, ready to end our world if the shields are breached.
The game all takes place in a 360 degree battlefield, with the rift at the center, and a horde of robotic machines attacking your defenses.
Nobody knows why the machine host wants to open the rift, but does it even matter? Your job is to smash the living **** out of them and last long enough for the UN scientists to figure out how to properly close the damn thing.
This is an easy game to pick up and play, but a brutally difficult one to master. Key features:
Why am I creating this game?
I wanted to what it would feel like to play a tower defense with a similar intensity to the Doom series in terms of action, but with the strategic depth of games like Rift Wizard, FTL: Faster Than Light, and Path of Achra. This is basically that game, to the best that I can do with my skill and resources.
The game is meant to give a sense of surreal abstractness but also hard-hitting moment to moment brutality in the battlefield. It will feel familiar but also in a strange, almost liminal way due to the graphics and the storyline, which seem generic at first glance but go far deeper in terms of lore and realism than it would seem at first glance.
The game makes you feel like a smart badass at times, and at other times like you don't know what on earth you need to do to beat the next boss or enemy combination.
I envisage that most players will get at least a few hundred hours out of the game. It is designed to reward deep thinking and lateral puzzle solving. I have designed it carefully to offer a challenge to even the most crafty of players. Good luck and I hope you get as much of a kick out of it as I did making it.