When comparing Keep Talking and Nobody Explodes vs Portal, the Slant community recommends Portal for most people. In the question“What are the best PC games that don't revolve around killing people?” Portal is ranked 2nd while Keep Talking and Nobody Explodes is ranked 21st. The most important reason people chose Portal is:
The main mechanic of the game revolves around solving different puzzles using a handheld portal device - a device that can bend space and time to create a wormhole through which you can move.
Specs
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Pros
Pro Hilarious situations arise as tension increases
Both sides in the game can not see what the other does, creating a situation of confusion that needs a good bit of team work. A ticking bomb adds the tension needed for players to spit out the first things that come to mind when describing strange symbols or patterns.
Pro Great for parties with friends and strangers alike
One person has the bomb on screen, and 1-5 "experts" need to consult the manual (either online or printed out). Thing is: the bomb defuser can't see the manual, and the experts don't see the bomb with its various modules.
The person who sees the bomb will have to precisely say what they see, and then the experts will frantically flip through the manual to find the instructions for that particular module. To succeed, you will all have to work together.
Pro Bomb defusal manual is easily accessible
The manual can be viewed as a PDF download as well as a static webpage, which gives easy access to any mobile device as well as PC. On top of this the manual can be printed out for those that would rather navigate tactically, which is often the easier way to go due to touch and ease of flipping pages (over a tablet or phone). Basically you are able to pull up the manual in any way you prefer, which requires little preparation, even on short notice.
Pro Great for quick games
Not a lot of setup is necessary, and a round lasts just a few minutes, so you don't need to commit to a lot of time before starting.
Pro VR minimizes cheating
The point of the game is that those with the manual are not able to actually see the bomb, this can be difficult to achieve when using a regular monitor to play the game, as someone could sneak a peak. Using a VR headset guarantees that no one with the manual will be able to see the bomb as it is only visible to the one wearing the VR headset.
Pro Requires solving spatial and physics based puzzles using portals
The main mechanic of the game revolves around solving different puzzles using a handheld portal device - a device that can bend space and time to create a wormhole through which you can move.
Pro Humorous telling of a dark story
Portal is known for its humor. Even years after it's been out in the world people are still quoting and referencing it in everyday situations.
Pro The game leaves clues to a deeper story
Throughout both Portal games there are hints left in various forms that fill in more of the story, including information about Chell's personal history.
Pro Innovative gameplay
Portal has won multiple awards for innovative design. Using a first person view and portals that allow one to traverse a room through one placed in one location to the other placed in another location to solve puzzles was and still is a very unique game design.
Pro Created one of the most memorable characters in gaming history - GLaDOS
GLaDOS, or Genetic Lifeform and Disk Operating System, is the main antagonist of Portal games. She is voiced by Ellen McLain with the voice later processed to sound closer to how a text-to-speech program would synthesize a voice.
GLaDOS initially functions as a guide to the player and is only later revealed as a manipulative, narcissistic, sinister and passive-aggressive character that wants to kill the protagonist.
GLaDOS is the main force that moves the humorous yet dark narrative of Portal series with her remarks being simultaneously hilarious and terrifying.
Pro Character-driven
Even though the only organic sentient being in this game is the player's character, this game features some of the most memorable and intriguing characters in fiction or in gameplay. GladOS obviously, but also the drone robots that sweet-talk the player to a sudden death (and then forgive you when you dismantle them), the clues left behind by former test subjects, the abandoned hints of what the lab used to be like. It tells a story without telling a story, and immerses you more than most other games can ever hope to achieve.
Pro Made people fall in love with an inanimate, virtual object
The game made people emotionally attach to The Weighted Companion Cube and feel uncomfortable when later forced to incinerate it.
Pro Merges first-person shooting mechanics with platforming and puzzle-solving
Portal uses an engine that was meant for a first person shooter and creates puzzles that need solved through various stage with the use of platforming. While not the very first game to merge platforming with and FPS the puzzle aspects make it unique in that no other game had done this specific combination yet.
Pro Making it halfway and completing unlocks new content
Getting to the halfway point in Portal will unlock challenge maps and finishing the main story will unlock advanced chambers.
Pro The sequel contains an AI powered by a potato
If that is not funny, then nothing is.
Cons
Con Puzzles may become stale after repetitive play
Particular modules in the game may be seen after playing repeatedly, which will make for easier play and quicker puzzle solving. This will have a tendency to make the gameplay feel stale due to ones familiarity with the puzzles.
One example, is the Keypads module where the defuser will need to describe strange symbols. Part of the fun is struggling to describe something, or figure out what is being described and calling the other person an idiot for not getting it.
Con Morse code section difficult for those with dry or bad eyes
There is a morse code module section of the game that relays morse code through visual cues, in order to understand the code the player will need to not blink for 3 seconds straight. While for most players this is not an issue, those that have chronic dry eyes or any other condition that requires blinking a lot, the code will be difficult if not impossible to understand. An optimal solution would be a setting to change this to audio cues, but sadly that is not an option.
Con Number of players can determine whether you succeed or fail
Most modules can be worked on one at a time - you start describing one to an expert, and he replies right away telling you what to do. Some modules however require some time for the expert to decipher. For example, if there is just one expert and you get the Morse code module you are pretty much screwed as deciphering the Morse code takes a lot of precious time. If you had an extra expert, you could work on deciphering it while they worked on another module.
Con Somewhat short
Portal takes 2-3 hours to complete which means it can be completed in one sitting. This may not be enough game for the money for some people and should be considered before purchasing.
Con Portal mechanics not used much to their best ability
Certain parts of the game sees the player using portals to manipulate sentry guns that fire rockets in order to progress in that stage, Mechanics like this make for a really enjoyable way to manipulate ones environment but sadly are not used too often.
Con Outdated graphics
The game was released in 2007, making it somewhat of an older title, because of this the graphics will not be on par with modern releases.