Screenshots
Watch trailer on Steam ↗Valfaris: Mecha Therion
Steel Mantis · Published by Silver Lining Interactive · Official site ↗
Content notice: Frequent Violence or Gore Stylized and pixilated.
Very Positive — 92% positive (474 reviews) · Metacritic 83 · 44 achievements
Last updated 27 Sept 2026
Therion returns as the hunt for Lord Vroll continues. Pilot an advanced machine of death and destruction in this explosive 2.5D side-scrolling shoot ‘em up, and sequel to the critically acclaimed Valfaris. Strap in and unleash mecha hell!
-80%
£4.19
£20.99Lowest price we've ever recorded
View on SteamPrices can lag the live Steam store — always confirm before buying.
£4.19£20.99
Price history
3 Sept 2026Lowest: £4.19 · Highest: £4.199 Oct 2026
Action, Indie · 2023 · More under £5 games
Dive into the relentless thrill of Valfaris: Mecha Therion, where you pilot powerful mechs in a non-stop shoot ‘em up. Join the hunt for Lord Vroll and experience intense 2.5D side-scrolling action from Steel Mantis, released in 2023.
About this game
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About the Game
Therion returns as the hunt for Lord Vroll continues. Pilot an advanced machine of death and destruction in this explosive 2.5D side-scrolling shoot ‘em up, and sequel to the critically acclaimed Valfaris. Strap in and unleash mecha hell!
After escaping Valfaris, Therion’s hunt for the evil Lord Vroll has taken him across the galaxy. As the final, inevitable showdown looms, Therion harnesses the awesome combat ability of his secret weapon – Mecha Therion!
A formidable suit of weaponised metal, Mecha Therion can be equipped with an array of devastating firepower, including Therion’s trademark Hellwraith – a minigun that shoots tormented souls.
Strap in and unleash mecha hell!
- Fight through multiple levels of hostile alien territory
- Master a range of Destroyer, Melee, and Auxiliary class weapons
- Configure your Mecha loadout with your favourite weapon combos
- Earn Blood Metal to upgrade weapons and add-ons
- Take on the all new challenge mode after beating the game for the first time!
Play the new Challenge Mode!
- The player is equipped with lives instead of a health bar
- Weapons are upgraded on-the-fly by collecting pick-ups
- Earn a score by defeating enemies and destroying anything that's destructible
- Weapons can be downgraded if you're hit by an enemy
- Gain extra lives at score milestones and by collecting Blood of Valfaris
- Checkpoints can be destroyed as a way to earn Blood of Valfaris
System Requirements
Will my PC run this? →Minimum
Minimum:
- OS: Windows 10
- Processor: 2.4GHZ Quad Core Processor Or Higher
- Memory: 4 GB RAM
- Graphics: GTX 970 or equivalent
- Storage: 2 GB available space
Recommended
Recommended:
- OS: Windows 10
- Processor: 2.4GHZ Quad Core Processor Or Higher
- Graphics: NVIDIA 1070 or equivalent
- Storage: 2 GB available space
Supported Languages
English, French, Italian, German, Spanish - Spain, Japanese, Portuguese - Brazil, Portuguese - Portugal, Russian, Simplified Chinese, Traditional Chinese, Ukrainian, Polish
Latest news
AnnouncementsOfficial
Slain 2: The Beast Within - Demo OUT NOW!
Greetings everyoneWe're very excited to share that our new title, Slain 2: The Beast Within finally has a demo! You asked for it, and now it’s time to unleash your inner beast. You finally get your first hands-on look at what we've been working on! Download it, tear it up, and let us know what you think! You can share your feedback in the Demo Feedback Thread in Discussions.Try it now! Consoles ConfirmedWe’ve been working behind the scenes, and we are thrilled to officially announce that the hunt is expanding. Slain 2: The Beast Within will also be launching on PlayStation 5 and Xbox Series X|S! To celebrate the multi-platform madness, check out the brand new animated trailer ;) What's Next?Go play the demo, leave us your feedback, and if you wanna stay up to date with the freshest sneak peeks, make sure to follow Steel Mantis on Twitter, or join our Discord server. There's more to come, but we're very excited to finally share this news with you. Stay tuned, and let the hunt begin!Steel Mantis Twitter/XRead full article on Community AnnouncementsAnnouncementsOfficial
Valfaris: Mecha Therion is 80% Off!
Attention! Starting today, Valfaris: Mecha Therion is featured as a Steam Daily Deal! For the next two weeks you car grab it at a massive 80% discount. The Saga Continues...While you’re ripping through the galaxy, don’t forget that the team at Steel Mantis are forging a new action-packed metal nightmare: Slain 2: The Beast Within is officially on the horizon & has just passed over 20 000 wishlists!Slay. Be Slain. Rise Again. If you want to stay in the loop with the freshest sneak peeks and behind-the-scenes updates as we process the playtest results, make sure to follow Steel Mantis on Twitter or join our Discord server.Steel Mantis Twitter/X WISHLIST NOWRead full article on Community AnnouncementsAnnouncementsOfficial
Discord Server Reactivation
Greetings, Slayers.We come bearing news! As we are soon heading into the Year of The Beast, the Steel Mantis Discord server has been reactivated! What some of you might remember as the Valfaris-titled server has now been fully reawakened as the official home for all things Steel Mantis, past, present, and future. The Discord has been revamped with organised channels, new community spaces, and yes: Steel Mantis himself is back. Expect sneak peeks, playtesting opportunities, and more coming soon. We’d also love to hear your suggestions for the server, what you’d like to see, discuss, or take part in as we shape this space together. See you there. 👉 \Read full article on Community AnnouncementsAnnouncementsOfficial
Slain 2 | First Official Teaser Trailer
We’ve got a killer update for you. Slain 2: The Beast Within just tore its way into the MIX Showcase with a brand new, full-metal teaser trailer. Check it out below. But that’s not all. Our Steam store page just got an update. We’ve loaded it up with the new gameplay trailer and fresh gifs. Thanks to all of you for your support. It's been awesome so far, and there is SO much more to share.So crank the volume, check out the new page, and hit that Wishlist button if you haven’t yet. Thanks for riding with us, more metal, more blood, more steel coming soon. Steel Mantis & Silver Lining InteractiveRead full article on Community Announcements (Tom)AnnouncementsOfficial
Slain 2: The Beast Within | 10 000 Wishlists
|We’re absolutely floored. Slain 2: The Beast Within has just skyrocketed past 10,000 Wishlists. Thank you. This is wild. While Slain 2 is still building its bones, your response and engagement are already making us even more for what's to come and we cannot wait to share it with you. And here’s a secret: we’re cooking up something seriously exciting for later this month. Stay tuned 🤘 Steam cannot handle the might of the gifs! Come hang with Steel Mantis for the freshest gifs and sneak peeks. More steel. More metal. More blood. Coming soon. This is only the opening riff. Rock on 🤘 Steel Mantis & Silver Lining Interactive Wishlist NOW!Read full article on Community Announcements
