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Watch trailer on Steam ↗Bob's Crystals
RedFlare game studios · Published by RedFlare game studios · Official site ↗
2 user reviews — 100% positive (2 reviews)
Last updated 8 Oct 2026
Tile-based chaos meets crystal-powered mystery in this action-puzzle platformer adventure. Restore the shield. Save the world.
£2.49
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Price history
Action, Adventure, Indie, Strategy · 2025 · More under £5 games
Navigate through tile-based chaos as you control Bob, wielding crystals to solve puzzles and progress. Experience an engaging blend of action, adventure, and strategy from RedFlare game studios.
About this game
A robot. A signal. A planet at risk.
Centuries after the alien technology that once protected Earth was forgotten, a deadly solar storm looms on the horizon. When a faint signal reactivates a long-dormant defense system, only one machine responds.
Meet BOB — a self-aware, surprisingly snarky robot with a mission: recover scattered crystals and reactivate ancient planetary defenses before it’s too late.
💠 Tile-Based Platforming
Navigate conveyor belts, fire zones, ice paths, and breakable floors in fast-paced, precision-focused levels.
🧠 Puzzle Logic Meets Action
Master teleporters, quicksand, and shifting conveyor patterns to outsmart every challenge — sometimes with brains, sometimes with quick feet.
🛡 Crystal Defense Mode
Defend the marker crystal against alien systems until it locks down. Dodge, weave, and survive in a hybrid between tower defense and arcade chaos.
🎙 Dual-Narrative System
Uncover Bob’s journey through:
– A male narrator who delivers atmospheric worldbuilding
– A female AI voice — Bob’s sarcastic consciousness — who offers hints, commentary, and comic timing
⚡ Marker Crystal Progression
Discover hidden components that enhance marker crystals and unlock new gameplay elements as you explore deeper into ancient systems.
🧱 Fully Integrated Level Editor
Use the same tools used to create the campaign. Build your own levels, play community creations, and share your best work — all from within the game.
🎶 Dynamic Electro Soundtrack
Experience a soundtrack that fuses retro chaos with modern pulse — synth-heavy, adaptive music that responds to your gameplay and changes with each level.
📈 Built with the Community, by a Solo Developer
Bob’s Crystals is being developed by a solo dev — yep, just one person handling the design, code, art, writing, and way too many cups of coffee. Early Access is an important step to gather feedback and keep the game growing in the right direction.
Development is ongoing, and areas currently being explored include:
Expanding the number and variety of levels
Introducing new puzzle mechanics to deepen gameplay
Iterating on the Marker Crystal Defense mode with potential new enemies and upgrade ideas
Adding more voice lines and narrative moments
Improving visuals, performance, and overall balance
There’s no fixed roadmap or guaranteed features — just a continued effort to improve and expand the experience with input from the community. If you enjoy quirky puzzle-platformers with attitude, come be part of shaping Bob’s Crystals.
System Requirements
Will my PC run this? →Minimum
- OS: Windows 10
- Processor: Intel Core i5 or better
- Memory: 4 GB RAM
- Graphics: NVIDIA RTX 30 series or equivalent
- Storage: 8 GB available space
- Additional Notes: Support for Vulkan 1.2
Recommended
- Memory: 4 GB RAM
- Storage: 3 GB available space
Supported Languages
*languages with full audio support
Latest news
Patch NotesOfficial
Release Notes – Bob’s Crystals
------------------------------------------------------------------🔮 Bob's Crystals - Beta v1.32 - 24-Augustus-2025 - Release Notes------------------------------------------------------------------📈 General- Performance improvements game engine- Added left and right trigger controler events to the mapping.- Camera now responds to right joystick to allow the player to "look-around". * Left and right for rotation. * up and down for zoom in / out.- Changed church-secret level. was too CPU heavy with al the electric going on.- Changed Wooden bench into a static body.- After dying in a level, the level rebuilds instant without heaving to wait the build animation anymore.- Added checkpoint tile, still experimental.🛠️ Fix- Uploading an existing level was adding a new one... whoopsie.. - Added extra safety check in the upload mechanism. - In the marker game, when picking an upgrade card, the cannon was moving too. now its disabled.- changed fire colors in level 3, and some minor adjustments.- Rusty sherrif now shoots its laser only 3 tiles.------------------------------------------------------------------ 🔮 Bob's Crystals - Beta v1.3 - 13-August -2025 - Release Notes ------------------------------------------------------------------ 📈 General - Created my own soundfx engine to make unique sounds effects for the game. I made it public available at: https://www.bobscrystals.com/sds.html-- So the devvers out there can create their own fancy sounds ;) - Added keybindings for Sony controller (Steamdeck - remote controller support) - Sound loading system improvements. - Finetuning different levels and adding more details. - Finetuning game core code - 40-60% faster execution on the character scene. - Finetuning game core code - CPU usage should drop by 30-50% 🛠️ Fix - Levelpack checksum was broken. (somehow, somewhere). - Crystal tower subgame, Swarmbot was attaching to aggressive (still) - Lambda errors after exploding. - Uploading level - empty description fix. -----------------...Read full article on Community Announcements (RedFlare)Patch NotesOfficial
Release Notes – Bob’s Crystals
------------------------------------------------------------------ 🔮 Bob's Crystals - Beta v1.31 - xx-July-2025 - Release Notes ------------------------------------------------------------------ 📈 General - Created my own soundfx engine to make unique sounds effects for the game. I made it public available at: https://www.bobscrystals.com/sds.html-- So the devvers out there can create their own fancy sounds ;) - Added keybindings for Sony controller (Steamdeck - remote controller support) - Sound loading system improvements. - Finetuning different levels and adding more details. - Finetuning game core code - 40-60% faster execution on the character scene. - Finetuning game core code - CPU usage should drop by 30-50% 🛠️ Fix - Levelpack checksum was broken. (somehow, somewhere). - Crystal tower subgame, Swarmbot was attaching to aggressive (still) - Lambda errors after exploding. - Uploading level - empty description fix. ----------------------------------------------------------------🔮 Bob's Crystals - Beta v1.30 - 22-July-2025 - Release Notes------------------------------------------------------------------📈 General- Crystal marker game - Added Viperchain to the scene (after level 5 - every two levels) - Added health bar to enemies who need more shots to kill. - Added swarmbot to the scene. ------------------------------------------------------------------🔮 Bob's Crystals - Beta v1.28 - 21-July-2025 - Release Notes------------------------------------------------------------------📈 General- Crystal marker game - Now always available and has a minimum of 5 level points. - Maximum level points is now 30 instead of 100. - Reduced damage of the missiles for better balance - Reduced spawn change for powerups. - New ENEMY: BOSS - Core Reaper appears every 5 level. - New ENEMY: Hyperchain - Swarm Unit – A convoy of chained drone units that streak across the skies like runaway traincarts. - Changed button layout on main screen.------------------------------------------------...Read full article on Community Announcements (RedFlare)Patch NotesOfficial
Release Notes – Bob’s Crystals
------------------------------------------------------------------🔮 Bob's Crystals - Beta v1.30 - 22-July-2025 - Release Notes------------------------------------------------------------------📈 General- Crystal marker game - Added Viperchain to the scene (after level 5 - every two levels) - Added health bar to enemies who need more shots to kill. - Added swarmbot to the scene. ------------------------------------------------------------------🔮 Bob's Crystals - Beta v1.28 - 21-July-2025 - Release Notes------------------------------------------------------------------📈 General- Crystal marker game - Now always available and has a minimum of 5 level points. - Maximum level points is now 30 instead of 100. - Reduced damage of the missiles for better balance - Reduced spawn change for powerups. - New ENEMY: BOSS - Core Reaper appears every 5 level. - New ENEMY: Hyperchain - Swarm Unit – A convoy of chained drone units that streak across the skies like runaway traincarts. - Changed button layout on main screen.------------------------------------------------------------------🔮 Bob's Crystals - Beta v1.28 - 16-July-2025 - Release Notes------------------------------------------------------------------📈 General- Dropped splash screen, the asset preload screan already act as one. - Crystal marker defense system Added additional movement to the enemies - Spiralling - Zigzaggin - orbiting - bobbing - tilting added microtarget target laser line from the bullet to the enemy Added microtarget damage.. if target is in half range of the target laser. bullet teleports to target. Added microtarget to upgrade cards. Defense game tuning - Reduced continous motion speed - Increased enemies per wave for faster mayhem experience - Decreased wave duration for faster mayhem experience Added powerup images to the cards bringing the tower defense more to life.------------------------------------------------------------------🔮 Bob's Crystals - Beta v1.27 - 15-July-2025 - Release Notes----------...Read full article on Community Announcements (RedFlare)Patch NotesOfficial
Release Notes – Bob’s Crystals
------------------------------------------------------------------🔮 Bob's Crystals - Beta v1.28 - 21-July-2025 - Release Notes------------------------------------------------------------------📈 General- Crystal marker game - Now always available and has a minimum of 5 level points. - Maximum level points is now 30 instead of 100. - Reduced damage of the missiles for better balance - Reduced spawn change for powerups. - New ENEMY: BOSS - Core Reaper appears every 5 level. - New ENEMY: Hyperchain - Swarm Unit – A convoy of chained drone units that streak across the skies like runaway traincarts. - Changed button layout on main screen.------------------------------------------------------------------🔮 Bob's Crystals - Beta v1.28 - 16-July-2025 - Release Notes------------------------------------------------------------------📈 General- Dropped splash screen, the asset preload screan already act as one. - Crystal marker defense system Added additional movement to the enemies - Spiralling - Zigzaggin - orbiting - bobbing - tilting added microtarget target laser line from the bullet to the enemy Added microtarget damage.. if target is in half range of the target laser. bullet teleports to target. Added microtarget to upgrade cards. Defense game tuning - Reduced continous motion speed - Increased enemies per wave for faster mayhem experience - Decreased wave duration for faster mayhem experience Added powerup images to the cards bringing the tower defense more to life.------------------------------------------------------------------🔮 Bob's Crystals - Beta v1.27 - 15-July-2025 - Release Notes------------------------------------------------------------------📈 General- Tested the game on SteamDeck and was running like a charm, or crystal. The levelbuilder is not controler-enabled, so that is still a mouse/keyboard thing. # Crystal marker defense game - Added Micro homing to the normal bullits, making targeting easier. - Added micro_targeting upgrades to the card deck, making t...Read full article on Community Announcements (RedFlare)
