When comparing Half Life 2 vs Flight, the Slant community recommends Half Life 2 for most people. In the question“What are the best Android games for Nvidia Shield?” Half Life 2 is ranked 8th while Flight is ranked 19th. The most important reason people chose Half Life 2 is:
A total conversion which does not directly use any assets from Half Life 2 can be played without even purchasing the base game.
Specs
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Pros
Pro Many mods will run with just the free Source Engine installed
A total conversion which does not directly use any assets from Half Life 2 can be played without even purchasing the base game.
Pro Supports total conversions
The Source SDK allows mod creators to build new game content from the ground up, leaving no trace of Half Life 2.
Pro Some Half Life 2 mods were later released as stand-alone games
Examples include Garry's Mod, Dear Esther, and The Stanley Parable.
Pro Uses static methods
Since Flight uses static methods, it does not require for the application class to be instantiated.
Pro Open source
Flight is open source and is released under the MIT license.
Pro Filters
A unique feature of Flight is something that the author calls filters. Filters are functions which can be executed before and after any other function and can change the parameters and the output of said function.
This feature is used instead of hooks which in other frameworks are used to execute code into different parts of the application's life-cycle.
Cons
Con Cannot use ArrayAccess
The fact that it uses static methods means that it's impossible for Flight to make use of ArrayAccess, which in turns means that it cannot inject dependencies easily.