Games like Radiant Defense
If Radiant Defense is your kind of game, the closest matches are Botanical TD, Planet TD and Path of Insanity — picked from the ranked list below. Reviewers single out its atmospheric, challenging and stressful. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About Radiant Defense: MILLIONS OF ALIENS WILL DIE!Radiant Defense is a tower defense game set in a vibrant universe invaded by countless alien hordes.Build your space fortress any way you wish, set up wide variety of weapons and traps and let the invasions begin!

Players who liked Radiant Defense also play
Steam players who put hours into Radiant Defense also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
Botanical TD
WHY THIS
Top pick for Radiant Defense fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Radiant Defense.
Defend against evil snails with a variety of plants in this Tower Defense while YOU have to make constant decisions how your enemies get stronger.
Planet TD
WHY THIS
Second-strongest match for Radiant Defense fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Radiant Defense.
6 different types of towers! 4 planets with different characteristics! 25 different enemies. Drones, Tanks, Biorobotic enemies and many different ground and air vehicles! Snowy and Glacial maps, Desert and Arid lands! Prepare to defend the solar system against invaders!
Path of Insanity
WHY THIS
Third-strongest match for Radiant Defense fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Radiant Defense.
Path of Insanity is side scrolling based strategy game in a land of maddness where the unbelieveable becomes believeable. Arm yourself with creatures of absolute stupidity and claim victory.
Summer of Hengyang in 1944
WHY THIS
Ranked #4 for Radiant Defense fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Radiant Defense.
The game is set in the summer of 1944 during the defense of Hengyang, China. General Fang leads the Tenth Army with 17000 soldiers to resist 110000 Japanese soldiers for 47 days.
Countermeasure Pioneers: Modern Drone Battlefield
WHY THIS
Ranked #5 for Radiant Defense fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Radiant Defense.
"Countermeasure Pioneers: Modern Drone Battlefield" is an instant strategy shooting game. Players need to operate precisely, controlling soldiers to release specially-made drones equipped with net guns to capture enemy drones and disable them.
Controware
WHY THIS
Ranked #6 for Radiant Defense fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Radiant Defense.
Controware is a game that will take you into the fascinating world of space warfare and allow you to become a real warlord.
Xeno Command
WHY THIS
Shares an atmospheric mood with Radiant Defense.
Ranked #7 for Radiant Defense fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Radiant Defense.
Defend galaxy against Alien invasion in the RTS offline game with roguelike fun
Ancient Wars: Sparta HD
WHY THIS
Ranked #8 for Radiant Defense fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Radiant Defense.
Relive the epic battles between Spartans, Persians, and Egyptians in Ancient Wars: Sparta HD. Enjoy HD graphics, asymmetric civilizations, enhanced campaigns, new maps, smarter AI, and a revamped multiplayer mode. Forge your empire, master warfare, and make history in the Ancient World!
Cheaper alternatives
Games in the same vein priced at least 40% below Radiant Defense at current Steam store prices.
Garry's Mod
WHY THIS
Priced ~50% under Radiant Defense on Steam right now. Shares Indie with Radiant Defense.
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.
Vampire Survivors
WHY THIS
Priced ~50% under Radiant Defense on Steam right now. Shares Indie with Radiant Defense.
Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!
Cookie Clicker
WHY THIS
Priced ~50% under Radiant Defense on Steam right now. Shares Strategy and Indie with Radiant Defense.
An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.
WEBFISHING
WHY THIS
Priced ~50% under Radiant Defense on Steam right now. Shares Indie with Radiant Defense.
WEBFISHING a multiplayer chatroom-focused fishing game! Relax and fish (on the web!)
POSTAL 2
WHY THIS
Priced ~90% under Radiant Defense on Steam right now. Shares Indie with Radiant Defense.
Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?
Plants vs. Zombies GOTY Edition
WHY THIS
Priced ~50% under Radiant Defense on Steam right now. Shares Strategy with Radiant Defense.
Zombies are invading your home, and the only defense is your arsenal of plants! Armed with an alien nursery-worth of zombie-zapping plants like peashooters and cherry bombs, you'll need to think fast and plant faster to stop dozens of types of zombies dead in their tracks.
Buckshot Roulette
WHY THIS
Priced ~70% under Radiant Defense on Steam right now. Shares Indie with Radiant Defense.
Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck!
Brotato
WHY THIS
Priced ~50% under Radiant Defense on Steam right now. Shares Indie with Radiant Defense.
Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Ultimate Custom Night
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Radiant Defense.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
Bongo Cat
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Radiant Defense.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
The Murder of Sonic the Hedgehog
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Radiant Defense.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
Virtual Cottage
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Radiant Defense.
Virtual Cottage gives you a comfy place to rest and be productive without any distractions. Open the game, set yourself a goal and enjoy the atmosphere.
The Expendabros
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Radiant Defense.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
Steam Engine Simulator
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
Iron Snout
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Radiant Defense.
Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.
Narrow it down
Head-to-head comparisons
More from Hexage
Other recommendable Steam games by Hexage, ranked by review count so the studio's hits land first.
REDCON
WHY THIS
Shares resource management and an atmospheric mood with Radiant Defense.
Another title from Hexage, the studio behind Radiant Defense. Shares Strategy and Indie with Radiant Defense.
Command your own fortress in FTL-like real-time battles! Crush the enemy fortress with unrelenting bombardment or seize it with carefully executed invasion.
Reaper - Tale of a Pale Swordsman
WHY THIS
Shares resource management and an atmospheric mood with Radiant Defense.
Another title from Hexage, the studio behind Radiant Defense. Shares Indie with Radiant Defense.
Enter the world ripe with magic and monsters. Become the Black Swordsman and slay thousands of enemies in an epic action RPG!
Ritual: Spellcasting RPG
WHY THIS
Another title from Hexage, the studio behind Radiant Defense. Shares Indie with Radiant Defense.
Watch the chaos unravel as you blaze through hordes of monsters in a unique spell-casting action RPG.
Flying Tank
WHY THIS
Shares resource management and an atmospheric mood with Radiant Defense.
Another title from Hexage, the studio behind Radiant Defense. Shares Indie with Radiant Defense.
Get into your Flying Tank and shoot 'em up like it's the good old days! Kill strange bosses, drop bombs from above and build an arsenal of fun, powerful weapons. Reclaim the stolen Earth - alone or with a friend - in a rich action-packed side-scrolling shmup!
Frequently asked about Radiant Defense
- Does Radiant Defense run on Steam Deck?
- Radiant Defense is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
- How much does Radiant Defense cost?
- Radiant Defense is listed on Steam at 9.99 USD (current store price; Steam sales may reduce this temporarily).
- What games are most similar to Radiant Defense?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Radiant Defense are Botanical TD, Planet TD, Path of Insanity.
- Who developed Radiant Defense?
- Radiant Defense was developed by Hexage.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Radiant Defense.
For library-aware picks tuned to your specific taste, sign in with Steam on the home page.



























