A screenshot of level 3-3 in Ghosts Took My Camera, a platformer.

Ghosts Took My Camera is a puzzle platformer made by Vimlark, during the 8 Bits to Infinity Puzzle Jam.

You’re a ghost hunter, chasing three ghosts that keep stealing your camera. Complete platforming puzzles to catch up to the ghosts, get your camera back, and capture pictures of these ghosts.

The platforming puzzles use a combination of crates, springs, keys, locks and fans to create varied levels which slowly ramp in difficulty.

A ghost you capture a photo of.

Ghosts Took My Camera is fairly well polished for a jam game. It took me about 30 minutes to play through all 12 levels. A solution video is available on the itch.io page if you get stuck. It’s available on itch.io for web and windows.

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A level in High Entropy, featuring fire, a lift, and turrets.

I smash a window to alert a bot to my presence—it notices me and plots a path to my location, a dingy storage closet. The only available path I’ve given it is through flames. You see, it’s not exactly a smart bot, it’s just heeding its programming to attempt to neutralize me, the intruder. One pass through the flames isn’t enough to do it in, so I dodge it, give it a few additional thwacks with my wrench, and tease it through the fire again. The scorched bot falls to the ground, its systems permanently damaged.

The game checks off a puzzle objective: neutralize an enemy using fire.

This is High Entropy, a puzzle game by binarynonsense.

Level 0 of High Entropy, before you sit in the chair

Take the elevator, please

High Entropy takes inspiration from many games, borrowing mechanics but using them in its own way to form a cohesive puzzle system.

The game takes place in a “test chamber” structure, like the seminal puzzle game, Portal. You enter a puzzle from one elevator, complete a list of objectives, and make your way to the elevator at the end of the level. You pick up keycards, master keys, and other similar knickknacks to make progress.

The game’s Fallout-style lockpicking mechanic takes the challenge and advances it another degree. You have to find bobby pins scattered throughout the level, and as a consumable resource, you only get a few attempts to access doors for different paths or items—occasionally forcing a restart if you want to 100% the level.

The PC terminal interface in High Entropy.

The game also doesn’t shy away from being inspired by immersive sims, like Deus Ex. The very first passcode to unlock a door is 0451—as is tradition. PC terminals are used to read emails and notes for the puzzles. There’s also the occasional spam email to ignore, naturally.

DOS-style command lines also form another part of the puzzle. The industrial office spaces here often have access controlled doors, security cameras, or laser trip beams securing these test chambers, and you use the PC to control them. You usually have some sort of note or tip nearby if you forget the syntax, but one-shotting a netmap followed by a telnet to disable a security system leaves you feeling like a bonafide pentester.

This game rewards exploration and discovery in the form of origami cranes. To 100% a level, you need to seek out all the hidden rooms and puzzle elements. Because there are several possible solutions to later levels, the origami cranes ensure you’ve seen what you need to see to prove you can solve all the routes—but still leaves you the ability to pick your own path forward.

The Orange Box?

The level design of High Entropy basically amounts to polished yet pragmatic minimalism. In the version I played, the aesthetic is really just polished greybox1, but it is used skillfully in a manner that makes the design feel intentional, not unpolished.

It owns the format, and it’s used in a way that evokes a rough industrial office building format, giving the nod to the gridded concrete walls you see in Portal. It works—I had too many good looking screenshots to pick from.

Level thirteen of High Entropy, looking down on bots walking in circles around the floor.

Puzzle Quality and Mechanics

The last levels of High Entropy are more significant in scope and amp up the duration. You’re expected to use every mechanic you’ve learned in the earlier levels, and getting 100% doesn’t just mean finding every path, but also following the right routes at the right time. Some hit a level of difficulty where it feels better to quit out and revisit it again in a few hours. Of course, it does feel rewarding to eventually finish a level you’ve been stuck on, once you’ve figured out just what you’ve missed.

Around level thirteen, I realized the game is also being optimized for speedrunning2. Restarting a few times to sequence my route in just the right order, I realized that the walking bots are timed so you can flow through some rooms in just one-cycle of the bots.

A more dense level of high entropy, introduing lasers, turrets, and an unpowered elevator.

It’s excellent work for a one-person game. Sure, a few puzzles could make better use of player hinting. I got very stuck in a 100% attempt of level seven—an area I was trying to access was pitch black, and there was nothing to hint to me to look there. Scratches, wear patterns, or a telltale light would have helped me to discover the new route to take. After about twenty minutes of searching, I found that I needed to hop on top of a vending machine. The game is typically successful with this, though. It also offers interactive outlines for things you can interact with, but often the outlines don’t appear until you’re already close enough to the object you need to interact with, so they don’t actually help with discovering things you’re missing.

I played High Entropy version 0.3.1. My play time was just over three hours. It is available on itch.io for windows, but a full release will be available on Steam. The game is a test build, but don’t let that deter you from playing—a story mode is coming soon for the Steam release, which will probably add an overarching narrative for the existing puzzles.

  1. Greyboxing is a game development practice where levels are wholly brushed out using literal “grey boxes,” rather than starting from minute one at a high level of polish. This enables quick iteration and testing and reduces losses from changing or reworking a level.  

  2. https://en.wikipedia.org/wiki/Speedrun 

Screenshot of Bird of Passage, which depicts the ghost standing, preparing to enter a taxi, on a Tokyo street.

Bird of Passage, by SpaceBackyard, is an atmospheric narrative puzzle, set in taxi cabs traveling the streets of Tokyo.

You play as a low-poly ghost-bird-eye-thing (a technical term, of course), and you travel at night in taxis, recounting your stories to the drivers who take you around. It turns out that the ghost you embody died in the 1923 Great Kantō Earthquake, and is seeking answers as they continue along their path.

The atmosphere and vibrancy of the deconstructed Tokyo are lovely. The game boils down its vision of Tokyo to just the bare essentials to deliver its view of Tokyo—a taxi cab, various taxi stops, bright lights, and road markings all serve to give you the feel of a big city without actually rendering a big city.

Screenshot showing the dialogue options in Bird of Passage, while traveling in a taxi.

This is a perfect game for a pensive dark rainy day. It’s not quite the same, but I found myself getting lost in thoughts in this game—like when you’re a passenger in a long car ride and your mind starts to drift.

Gameplay Tip:

It’s not necessarily easy to intuit the best choices to progress the story. For the best route to the end of the game, and to avoid repetition, keep track of your dialogue choices. One of the taxis you enter will give you a hint for what you’re looking for—once you heed their tip, the route to get to the end of the game will be clear enough with a little bit more trial and error.

My playtime of Bird of Passage was about 30 minutes—but yours can be a bit shorter with the non-spoiler gameplay tip above. It is available on itch.io for macOS and Windows.

A cave level in Flux Caves, featuring the vibrant colors and blur.

Flux Caves is a puzzle game by Fubenalvo, inspired by The Witness and shrines in The Legend of Zelda: Breath of the Wild. Flux Caves is about solving puzzles, to push pipe blocks around to connect them to allow balls to flow from the start to the end of the puzzle unimpeded.

In Flux Caves, you’re solving puzzles in two distinct environments. Some puzzles take place in caves, placing you in a “classic” puzzle chamber environment. Outdoor environment puzzles invert the puzzle chamber expectation and present a new challenge by spreading out and using more of the world—such as a puzzle built in the top of a radio tower. The world of Flux Caves is colorful and well made—the vibrancy of the puzzle elements mesh well the outdoor aspects of the world.

The beautiful backgrounds of Flux Caves.

Flux Caves has a gentle difficulty ramp—you won’t find yourself getting trapped on a puzzle for too long. New mechanics are introduced and have accompanying puzzles to you understand and include them in your repertoire. Take care not to overthink your puzzle solutions, though. I wound up having to restart some puzzles because I tried to outsmart the puzzle design in attempting to anticipate problems. Instead, I should have spent more time looking around just to understand the puzzle a bit more.

Polish wise, some later puzzles need you to move so many blocks that it may feel tedious to execute on your vision, and some block and player movement lacks smoothness. Also, if you’re an environment explorer, the game offers surprisingly few invisible walls to prevent you from hopping off-path—perhaps more player clips will appear in a later version. Despite this, the game is playable, and you will enjoy your time solving the puzzles.

If you enjoy puzzle games, Flux Caves offers several invigorating puzzles and is perhaps worth a bit of your time. Flux Caves is available on itch for Windows, Mac, and Linux, and will be available on Steam later this year. I played Flux Caves version v0.93 on a modern Windows gaming PC. It took me about three hours to complete the game.