When comparing Human Resource Machine vs Portal 2, the Slant community recommends Portal 2 for most people. In the question“What are the best puzzle games on PC?” Portal 2 is ranked 1st while Human Resource Machine is ranked 15th. The most important reason people chose Portal 2 is:
While Portal 2 requires focus and logic, it does not punish players for causing a bit of mischief. The instant respawn system means trolling your friend will affect almost nothing in the game, as there are no in-game setbacks when you die. Being able to stop at any point in the game to just goof around is great for releasing some steam, even when it is at the expense of your co-op partner.
Specs
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Pros
Pro Can optimize your solutions
The game's replay value increases as solutions can be beat in two metrics: Commands and Steps.
Pro Good graphics and sound
The game is very reminiscent of World of Goo's graphics, being very consistent and sort of cartoony, and all sounds are synthesized.
Pro Co-op does not punish when you want to goof off with or troll the other player
While Portal 2 requires focus and logic, it does not punish players for causing a bit of mischief. The instant respawn system means trolling your friend will affect almost nothing in the game, as there are no in-game setbacks when you die. Being able to stop at any point in the game to just goof around is great for releasing some steam, even when it is at the expense of your co-op partner.
Pro Huge selection of user-generated content that should appeal to any use-case
The game has more than 60,000 co-op puzzles created by users through the Steam Workshop and through mods. Because it is user-generated content, the quality and size of these puzzles vary widely, including everything from simple, one-off chambers to full-fledged expansions with high-quality stories, voice-overs, and new gameplay elements (for example, Mel). By having such a selection of content, there should be something that appeals to just about anything someone is looking for.
Pro Entertaining and well delivered voice acting
Voice acting for Wheatley the AI robot is done by Stephen Merchant (Extras, The Office UK, Life's Too Short) in humorous fashion. His delivery is well executed on all dialogue. On top of this specific experience, the rest of the voice acting of every other character in the game is performed just as well, in part due to the fact that the dialogue was written in a funny smart and entertaining cool fashion. This makes for a top quality listening experience that shows a lot of care was taken with the acting of the game.
Pro Creates a sense of accomplishment through a high level of teamwork
Game is shit
Pro Challenging puzzles that require creative thinking
Pro Witty and funny character driven story
Four major characters drive the single player poop campaign, and they are amazing. Three of which have explosive personalities, bring humor, suspense, sadness, and empathy. The other being Chell, who doesn’t speak but her interactions with the rest of the cast make her all the more mysterious and interesting. Most of the time you don’t even see or directly interact with the characters, but that just shows how great and cool they are.
Pro Cross-platform co-op
As long as both players have a Steam account, the co-op is able to be played even if one user is playing on the PS3 while the other is on a PC.
Pro Well implemented tools that improve teamwork
Pro So large in scope that it takes multiple playthroughs to see everything
Portal 2 is larger in every way when compared to the first title, from the longer and more detailed story to the larger levels and new game mechanics. This makes for a title that will last 8-9 hours minimum, with many elements that are worth revisiting, not to mention the co-op section of the game, which is separate from the single player story.
Pro Versatile selection of co-op multiplayer
It’s possible to play a multiplayer game for free online using the Steam servers, as well as locally on your machine using split-screen (the second player must use a gamepad controller if playing locally). This keeps the multiplayer options versatile to any players needs.
Cons
Con Short for price (especially for people looking to learn)
This game contains about 5 hours of content for many players, and is composed of 3 "chapters" of about 11 levels each. Most of that is taken up by tutorials. Each chapter 'dives in' a little bit into a topic. But if you're looking to learn programming it'll likely be too short. It also has many mini levels where it shows a little topic, but those are not explored that much (one of the worst moments with it is when it asks you to "use a friendly search box" as a serious recommendation).
(Note: This game actually is appearing in a Humble Bundle for $1 by the time of writing.)
Con Lack of optimization accuracy
One pro about games like this are the fact that you can optimize your solutions. But the marked "Best" solution is almost always inaccurate. Some levels are tens of blocks and hundreds of steps away. You'll have to go to other places to challenge yourself properly.
Con Levels are unoriginal
Related to the game's story not doing much, the gameplay also does not integrate itself with any cool story events that may happen, as they don't happen. You don't lose abilities, nothing gets 'screwed up', and the game doesn't last long enough to be able to explore the game's concept in depth. What this means is that the levels are more by-the-book as if they were programming puzzles in a book, and if you've played many games of this similar genre you've already seen about 80% of the puzzles in the game, in which most of the remaining ones are early tutorial puzzles.
Con Frustrating interface at later levels
The game does not show you every part of your program at once. At later stages, even about 20 instructions will require scrolling to reach parts of your program. Even with about 30, it quickly becomes tedious to move around your instructions as you will either have to wait for scrolling or spam the scroll wheel. Many of your solutions will also be using one of the 'blue' commands, which has two arrows, so you cannot just delete the key instruction and add a copy to where you want it to go.
Con Awful debugging
The game's debugging features consist of a step forward button, a step back button, and fast forwarding (up to about 4x). However, these are not enough. In many levels you could find yourself noticing your program is stuck in a loop, then having to repeatedly click "Step back" dozens of times just to find the key moment, which is even worse if you were fully fast forwarding. In later levels, where solutions start taking some more time, it might take minutes to find the key moment in your program that failed to work, just to wait more to figure out if the change you made was enough to get it to work.
Con Story is disappointing
The game's story does not progress very far. With a premise as interesting as tying into the "machines taking over jobs and humans", you'd expect gameplay and levels as unique. But the game plays as stock as a programming game can get, even just on the story standpoint. Many details are shown around the game, but the game doesn't go deep for anything involving it.
Con Main co-op campaign is short
The co-op campaign in Portal 2 is about 4 hours long for experienced players, meaning it could be beaten in a just a couple days. With almost zero replayability, this makes the game feel incredibly short. Luckily, hundreds of hours of user-generated content is available.
Con It's already on every coop list since 2011
Con Steep co-op learning curve
Although the single-player campaign features a gradual learning curve, co-op offers no mercy. The puzzles start off hard and only get harder. It’s highly recommended that you play through single-player first if you are not familiar with Portal's mechanics.
Con Sense of accomplishment is often onesided
Con Frequent motion sickness trigger
Con Late game single player can be quite difficult
While the single player learning curve is quite gradual, late game the puzzles can become quite difficult, sometimes leading to the player being stuck for long stretches of time. While not impossible to solve, some creative thinking will need to be done in order to finish.