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97% positive of 48 · Positive · Live from Steam
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Free on Steam. The demo has its own app, so its players are counted separately.
ADHD core loop weapon system will keep you on your toes in this thrilling sci-fi fantasy shmup / shoot'em up with epic boss battles and a vast arsenal of futuristic weapons! Battle legions of demonic entities, restore the cosmic balance, and save the universe! Experience FLOW STATE gaming!
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What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 97% on 2026-11-01 → 97% today (48 reviews)
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Not tested by Valve yet. Results from Valve's own testing.
Valve hasn't published test details for this game.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Thanks everyone for playtesting the new Caravan level! - Weapon Tuning for some of the underperforming weapon sets - Difficulty selection, fixed the number of lives given for each difficulty level - Minor tuning adjustments, bug fixes, and good ol' spit & poli…
Happy holidays, friendoes, it's been a wild year. Your support means everything to us, and we wish you the very best in your gaming adventures! Thank you for being on this journey with us to craft modern retro games with that tight gameplay you've come to love…
General: - Optimization improvements across the game on first time weapon and enemy explosions DrBossKey: - Improved collision with a new gold shield effect Weapons: - Weapon set 3, bottom plasma laser weapon is now longer and does more damage - Weapon set 9 (…
Build 2.1.1 is Live! Hot and new! - Adventure Introduction cutscene & shenanigans General: Music: - New boss battle music; Titanic Champions - Music balancing pass across all levels - Boss battle intro warning sound and boss battle music adjustments - Music ar…
**Bigger Notable Changes:** - DrBossKey now has flapping wings just like the heavens of supernatural mischief intended! - Player bullets now draw behind the player so you no longer need to panic when not being able to see your weak spot - Reorganized HUD for i…
Heyo friendoes!Build 3.6.0 is Live! Big features:Online leaderboards added through iScored (a rad dude passionate about arcades and high-score arcade competitions, naturally! We've published our leaderboards for Interstellar Sentinel 1 & 2 so anyone can also i…
A lot has happened around Interstellar Sentinel, and we wanted to share a look back at some of the moments that helped define this stretch of the journeyOne of the biggest standouts was seeing Caravan Mode (5-minute gaming snack-sized time attack levels) grow …
New features:Caravan 3 level, the community is going nuts over this onePracticing a level now let's you pick your starting weapon setWeapon buffs and balancing passPerformance optimizations (runs like a dream on a Steam Deck)Various bug fixes and improvments l…
October has been a busy month packed with breakthroughsUnreal Engine Port ProgressThe Interstellar Sentinel port to Unreal reached a major milestone.Over 8000 bullets in a single shader running with animations, collisions, and multiple bullet types.Significant…
September has been an exciting month for Interstellar SentinelCaravan Competition and High Score ChasingThe community has been chasing high scores in the main game while super players pushed the leaderboards even further. At Canal 3 Expo in São Paulo, the Cara…
What's a Caravan? Caravan competitions began in Japan in the 80s, when Hudson Soft toured with Star Soldier and Hector ’87. Players had just 2–5 minutes and one credit to prove themselves. The format was pure intensity—fast score chases, quick decisions, and b…
This is the free demo; grab it from the download demo button on the page.This demo is a nice cross-section of the core game system at work in Interstellar Sentinel. Your objective is to survive, don't let enemies escape, and use your super weapon like a maniac…
Version 3.2.0 Build Notes Big Highlights: 🚀 New Game Mode: Caravan 1 — Blast your way to glory in this action-packed, 5-minute high-score chase! 🏁 New Game Mode: Race 1 — Speed thrills and thumb skills: rubbing is racing in this lightning-fast thumb-warmer-u…
Games That Inspired Interstellar Sentinel Inspired by Salamander/Life Force, Gradius, R-Type, DeathSmiles, Akai Katana Shin, Einhander, and DoDonPachi. These titles heavily influenced Interstellar Sentinel's mix of horizontal adventure/exploration that you get…
https://www.youtube.com/watch?v=P-FYOFpUygo Big new mode! 9 Hells Boss Rush! Recommended for players familiar with the existing game features. This mode was built to leverage all your acquired skills and then turn up the heat for some sweet boss rushing in a 1…
This month, Interstellar Sentinel turned one year old, and we're doing a 25% off birthday & Gamescom 2024 sale! We're so grateful to our community for playing and sharing!
General: - Increased DBK wing flap animation speed a bit because he was being a little too lazy - Fixed up on hit visual effect triggering at the wrong time with environmental conditions - Lesser Demons now get sucked back to hell in a more fitting way than a …
LISTEN; to the Full Interstellar Sentinel Original Soundtrack for your listening pleasure! Wow! I mean, wow, the reception of this album has been phenomenal! So many people have reached out over the last couple of days with so much positivity that I am a littl…
(trumpets from the heavens are sounding in your mind) The Interstellar Sentinel Demo is now available for you to play! Check it out and hop on over to the Discord server to post your high scores! Can you achieve the S+ tier rank? Also the calm before the storm…
Build 2.2.0 is now live with a brand new feature Weapon Dumper! New Feature: Power Downer! You're in for a treat! Now, just hit that triangle or Y button to unleash the Power Downer – a nifty power-up right in the middle of the screen! These little boosts are …