When comparing Portal vs Reaper, the Slant community recommends Portal for most people. In the question“What are the best Android games for Nvidia Shield?” Portal is ranked 2nd while Reaper 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 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.
Pro Playable in small chunks
Mobile games are great for playing for just a new minutes here and there, and Reaper works exactly like that. If you've only got 5 minutes, you can still enjoy it. Some mobile RPGs need plenty of time to get into the mood and enjoy, which isn't always possible on mobile.
Pro Full game content unlock in app purchase
There are three in app purchases with the last one being a full game content unlock at $4.99.
Pro Controller support
Reaper supports HID game controllers including MOGA, Nvidea and NYKO.
Pro Colorful backgrounds and character models
The graphics exude a lot of personality and attention to detail.
Pro Great touch screen controls
There are two options for touch screen controls, one being swipe based and the other being directional buttons.
Cons
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.
Con Doesn't have much longevity
The entire game is based around combat, which works in small doses. For longer playtimes though, it can get pretty repetitive. That goes for the extra content unlocked through the in-app purchase as well - it's more of the same in new levels.
Con Free gameplay is limited to ten levels
The gameplay is free up to the tenth level, at that point an in app purchase has to be made of which there are three depending on how much content you want. $3 unlocks the rest of the levels, while $4 nets you more in-game items, and $5 gets you everything available as well as the Dark Harvest game mode.