When comparing Subnautica vs Oxygen Not Included, the Slant community recommends Subnautica for most people. In the question“What are the best 2D games on Steam?” Subnautica is ranked 25th while Oxygen Not Included is ranked 45th. The most important reason people chose Subnautica is:
The game takes place underwater, and it looks very good especially because of the new candy eye update. Looking up at the sun through the ocean looks pleasant and real. Coral reefs have multiple colors and look real as well. Graphics wise this game looks great and pulls off its theme of an underwater survival quite well.
Specs
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Pros
Pro Great theme and looks
The game takes place underwater, and it looks very good especially because of the new candy eye update. Looking up at the sun through the ocean looks pleasant and real. Coral reefs have multiple colors and look real as well. Graphics wise this game looks great and pulls off its theme of an underwater survival quite well.
Pro The sound effects really set up the overall atmosphere
The sound design in Subnautica is amazing. Even though the soundtrack can be bland at times, the sound effects for the ocean noises are incredibly atmospheric and really help to get the player in the mood for exploring a vast, alien ocean.
Pro Interesting creature design
The creature design in Subnautica deserves some major praise. Spotting a new, never seen before creature is extremely rewarding and there's a large variety of alien creatures to look for.
Pro Has a mode for people who just want to explore
Subnautica has four game modes: survival, freedom, hardcore, and creative. The first one pits the player against the elements and forces them to think about food and water through its thirst and hunger mechanics.
The second game mode basically removes every mechanic that is related to surviving, such as the aforementioned hunger and thirst mechanics. It also leaves all the items in your inventory after you die. In other words, it's a game mode for people who want to explore without having to bother with surviving. Which is nice, since Subnautica has a lot of stuff to explore.
The third one, as the name tells us, is more difficult. Not only do you have to worry about health, oxygen, water and hunger, you will have to worry about your life. Since this game mode gives you one chance to live, no respawning. If you die, you'll lose your progress and will have to start over again.
The fourth one will let you build a base of your dreams without worrying about food, oxygen, or thirst. It is the best mode for people who want to build and don't want to gather resources.
Pro No pointless multiplayer
Not every damn thing needs multiplayer, and multiplayer can often ruin an otherwise incredible experience. There's none to be found here, and that intensifies the lonely atmosphere. Also, the creators didn't waste resources on something that would fundamentally undermine the experience so they could focus on making the game the wonderful thing that it is.
Pro Very interesting for both new and long-time players
But it goes faster when you learn the game. Because everything is done manually.
Pro Incredibly satisfying tool-building mechanics
The whole process of creating new tools is mostly done using a sophisticated 3D-printer available from the start of the game. You gather various resources and transform them to create tools that you will need for your survival.
For example, organic matter gets printed into raw carbon, combine carbon with some zinc and you get a battery; combine that battery with some glass and you get a flashlight that helps you see in the dark. It's very straightforward but incredibly satisfying when you build your tools, especially since you are doing all of this while swimming in an ocean filled with predators.
Pro Realistic game mechanics
For a light-hearted game, Oxygen Not Included takes laws of physics and biology very seriously. Characters, or Duplicants, require regular meals and fresh water. They can hold their breath, but only for a limited time. Extremely cold and hot temperatures hurt them. Given high enough stress level, they can even experience nervous breakdown that causes them to vomit excessively or start binge-eating colonie's food supplies.
Pro Loveable, cute characters
Every Duplicant has a name and unique appearance, as well as personal traits. They are very cute and funny, which makes you fully invested in their well-being.
Pro Requires advanced planning
This game provides a real challenge when it comes to planning your base's inner layout. You need to take into account gas and fluid dynamics to ensure that your Duplicants have breathable air and aren't intoxicated by contaminated water.
Cons
Con Lacks Co-Op
This game was meant to be a survival game (and a bit of horror), most survival games are difficult, may get boring to play alone after time and this game has both. Having a second survivor in the story would mean to rewrite it again, but having a friend in an alien world would be better.
Con No real story
A bit underdeveloped story. Only in notes and some short cgi animations.
Con Maps are limited in size, causing you to eventually lose
Since the map size is limited, so is the supply of resources, meaning that sooner or later you invariably loose the game.