Discovering rune combinations is one of my favourite parts of Castillon 🔮✨ Socket runes into your towers and unlock unique abilities for your defenses 🏰 Demo available now on Steam! Haven't played it yet? See what combinations you can discover 👀 #indiegame #rts #towerdefense #citybuilder

🏰 Another day. ⚒️ Time to prepare. 🌙 How would you survive the night? 🎊 Castillon Demo available now on Steam. #towerdefense #rts #basebuilding #citybuilder #indiegame

Expanding the enemy roster in Castillon ⚔️ Here are two new mini necro bosses joining the battlefield. Which one would you fight first? #indiegame #gamedev #indiedev #rts #towerdefense #indiegame #gamedev #indiedev #rts #towerdefense

Build your defences, adapt your strategy, and survive the night in Castillon  ⚔️ Demo available now on Steam： https://store.steampowered.com/app/4769550/Castillon_Demo/ We’d love to hear what you think after playing 😄 #indiedev #indiegame #rts #towerdefense #citybuilder#Steam

The Castillon demo is now live on Steam! 🏰✨🎉 🥳 A bite-sized RTS + tower defence game with magic and strategy. 🎮 https://store.steampowered.com/app/4769550/Castillon_Demo/  If you enjoy the demo, a Steam review would mean the world to our tiny team ❤️ #indiegame #rts #towerdefense #citybuilder

Working on one of the brutal late game enemy units for Castillon. Would you survive this wave? 💀 #indiegame #gamedev #indiedev #rts #towerdefense #conceptart

Big enemies require big defenses 👀 Unfortunately, ours were not big enough 💀 A giant boss in Castillon smashing straight through our defenses during a late game wave. Demo coming soon ⚔️ #indiegame #gamedev #indiedev #rts #towerdefense

Exciting news! 🎉 Castillon has been selected to represent Australian indie games at the China (Shenzhen) International Cultural Industries Fair 2026！ We’re incredibly honoured to showcase our  game alongside amazing developers from around the world  #indiegame #gamedev #indiedev #rts #towerdefense

This is the first boss in my game. Not sure if I did this right, but hey — trend followed ✅ #gamedev #indiegame

You can unleash towers of 🔥 fire, ⚡ lightning, and 🪨 stone like this in my game store.steampowered.com/app/2483570/...

The playtest for Castillon is LIVE! Everyone who's already requested access will automatically get in, and new players just need to go to the Steam page! Enjoy: 🧙‍♂️Two entire maps 🏰Tower combinations 💥Tons of magical explosions #towerdefense #citybuilding #indiegames

We're tweaking new map builds in Castillon and just had to show off how incredible the battlefield can look with filled with enemies and towers. #towerdefense #basebuilding #citybuilding #indiegames Check out Templar's Rest and Mage Haven maps!

We've been hard at work making explosions and lasers way more... explosion-y and laser-y. #towerdefense #citybuildinggames #indiegame #roguelike There are so many different tower combinations you can make using four different types of elemental stones. Spot any favorites?

Castillon is going to be featured in the ANZ Indie Showcase alongside a ton of other Aussie and Kiwi #indiegames! #towerdefense #basebuilding #citybuilding #wizards The event is being hosted by @theindiebrew.com.au and will be live on: 🚨SEPTEMBER 5TH @ 7:30 PM AEST🚨

Castillon is going to be featured in the ANZ Indie Showcase alongside a ton of other Aussie and Kiwi #indiegames! #towerdefense #basebuilding #citybuilding #wizards The event is being hosted by @theindiebrew.com.au and will be live on: 🚨SEPTEMBER 5TH @ 7:30 PM AEST🚨

The indie game we’re making…. #thronefall #woolatthegates #badnorth #towerdefense

Wanted to bring this back into the rotation for #wishlistwednesday! The Castillon playtest is coming out soon, so wishlist and sign up to be a part of it!

We've been deep in the dungeon cooking up some truly cursed tower combos, and things just sort of spiraled. #towerdefense #basebuilding #resourcemanagement Sign up for the Castillon playtest and play God on the battlefield when it launches. 🔗 store.steampowered.com/app/2483570/...

We've been hard at work making explosions and lasers way more... explosion-y and laser-y. #towerdefense #citybuildinggames #indiegame #roguelike There are so many different tower combinations you can make using four different types of elemental stones. Spot any favorites?

Excuse us while we spam your feed with Castillon gameplay loops. We're just so proud 🥲 #towerdefense #citybuilding #roguelike If you haven't already signed up for the playtest, there is still time! 🔗 store.steampowered.com/app/2483570/...

We've been deep in the dungeon cooking up some truly cursed tower combos, and things just sort of spiraled. #towerdefense #basebuilding #resourcemanagement Sign up for the Castillon playtest and play God on the battlefield when it launches. 🔗 store.steampowered.com/app/2483570/...

No two playthroughs of Castillon are ever the same! With endless combinations of castles, towers, and defenses, every build tells a different story. We’ve even got a giant spider. 🕷️ #rts #towerdefense #citybuilding #colonysim Which of these builds from different maps is your favorite?

No two playthroughs of Castillon are ever the same! With endless combinations of castles, towers, and defenses, every build tells a different story. We’ve even got a giant spider. 🕷️ #rts #towerdefense #citybuilding #colonysim Which of these builds from different maps is your favorite?

The devs are asleep. Check out some of sick tower upgrade animations in Castillon 🏰 #towerdefense #basebuilding #roguelite #roguelike Playtest Starts Soon ⬇️ store.steampowered.com/app/2483570/...

You will like our #indiegame if you enjoyed: - Thronefall (strategic towers) - Bad North (simplified tactics) - Gemcraft (defensive experimentation) - Warcraft 3 (resource management)

We've designed a completely new UI for Castillon! Now, gather your gems to stack those towers and give them a personal touch with exciting powers and abilities! Watch as they spring to life with cool animations that make them even more fun! Check out Murder of Crows and Twisters! #towerdefense

‼ Sometimes planning isn't enough to survive the night ‼ Powerful enemy waves will seize your realm to the ground if given the chance! #indiedev #indiegame #RTS

The devs are asleep. Check out some of sick tower upgrade animations in Castillon 🏰 #towerdefense #basebuilding #roguelite #roguelike Playtest Starts Soon ⬇️ store.steampowered.com/app/2483570/...

We've designed a completely new UI for Castillon! Now, gather your gems to stack those towers and give them a personal touch with exciting powers and abilities! Watch as they spring to life with cool animations that make them even more fun! Check out Murder of Crows and Twisters! #towerdefense

Not to toot our own horn, but… these animations? 🧑‍🍳😙🤌 #unrealengine #towerdefense #rts #indiegames

3 Tiers of Arcane Towercrafting in Castillon (from @oupentertainment.bsky.social) 🔵 Freezing 🔵🔵 Blizzard 🔵🔵🔵 Chain Lightning Mix and match all 4 Mystic Elements to discover every unique tower! #wishlistwednesday #towerdefense #rts #indiegame

The Castillon devs upgraded the different towers you can build, and we think they're pretty INSANE. Here's a sneak peek of what you'll see once the playtest opens up 👀👀 #rts #towerdefense #basebuildinggame #indiegame #steamplaytest

You will like our #indiegame if you enjoyed: - Thronefall (strategic towers) - Bad North (simplified tactics) - Gemcraft (defensive experimentation) - Warcraft 3 (resource management)

Craft specialized Towers in Castillon by slotting them with up to 3 elemental gems. This clip shows three Necro-based towers (Right to Left) 🟣 Rapid Fire 🟣🟣 Spawn Undead 🟣🟣🟣 Poison Cloud Mix and match the 4 elements to craft powerful defenses #wishlistwednesday #towerdefense #rts

Mom says it's Castillon's turn to be on the NextUp_ showcase front page. Jump in, cast your upvote, and help push our game to the top! Every upvote gets us closer to claiming the spotlight! #indiegame #rts #towerdefense #basebuildinggame ⬆️ Upvote Here → nextupgames.com/games/castil...

The Castillon devs upgraded the different towers you can build, and we think they're pretty INSANE. Here's a sneak peek of what you'll see once the playtest opens up 👀👀 #rts #towerdefense #basebuildinggame #indiegame #steamplaytest

Not to toot our own horn, but… these animations? 🧑‍🍳😙🤌 #unrealengine #towerdefense #rts #indiegames

Castillon just got a bit of a glow-up this past week. This hero's got some bite now! ⚔️ Watcha think?! Above is before, and bottom is after! #roguelike #Castillon #citybuilding #strategy #indiegame

We've been excitedly developing a one-of-a-kind towercrafting system for our tower defense game, Castillon. This system lets you socket gems to craft powerful defenses enriched with animations! Check out the Laser Beam and Murder of Crows tower abilities! #towerdefense #basebuildinggame #indiegame

The Castillon playtest is almost here!  But in the meantime, check us out during the NextUp_ showcase on July 1! Check out their site for more details: https://nextupgames.com/ #towerdefense #citybuilding

Castillon (@oupentertainment.bsky.social) has recently made BIG strides in our elemental towercrafting system #ScreenshotSaturday #TowerDefense #IndieGame Sign up for the upcoming public playtest on Steam! store.steampowered.com/app/2483570/...

We've designed a completely new UI for Castillon! Now, gather your gems to stack those towers and give them a personal touch with exciting powers and abilities! Watch as they spring to life with cool animations that make them even more fun! Check out Murder of Crows and Twisters! #towerdefense

We've designed a completely new UI for Castillon! Now, gather your gems to stack those towers and give them a personal touch with exciting powers and abilities! Watch as they spring to life with cool animations that make them even more fun! Check out Murder of Crows and Twisters! #towerdefense

Socket Arcane, Engineering, Necro, or Health gems into your towers to unlock powerful new abilities.  Mix and match for explosive combos and custom defenses that change the game.  One gem can make all the difference! 💎 #towerdefense #indiegame #castillon

In Castillon, how you defend matters just as much as what you're defending against. Place archers further away. Fortify weak points or bait the enemy into a brutal surprise. One small change can turn a total loss into a crushing victory. Your choices shape the battlefield. #steamgame #citybuild

In Castillon, your heroes don’t just fight — they unleash chaos. 💣 ⚔️ Raise the dead to fight by your side 🛡️ Tank hits with bonus HP like a boss 🔥 Rain fire from the skies 💀 Plant mines, throw bombs, bend the battlefield to your will #roguelike #basebuilding #resourcemanagement

Who's brave enough to face the mobs of Castillon... solo? Sure, you can go it alone, but when the big bosses start smashing castles, you'll wish you had backup. #towerdefense #basebuildinggame #resourcegathering #indiegames

Who's brave enough to face the mobs of Castillon... solo? Sure, you can go it alone, but when the big bosses start smashing castles, you'll wish you had backup. #towerdefense #basebuildinggame #resourcegathering #indiegames

Power up your towers with magical gems and defend the village from relentless night raids! Upgrade structures with different gems to help you better protect your village at night when monsters and enemies come out! #roguelike #citybuilding #medieval #rts

Build up your defenses by day and protect them at all costs by night! Castillon gives you tons of maps to enjoy, building types to upgrade, and fast-paced gameplay in one bite-sized #roguelike.