Flight Simulator 2d (FS2d) is a complex flight simulator specially designed for smartphones and tablets. This simulation game is the first simulation game that contains all the important elements of mainstream 3D flight simulators: real aerodynamics, dynamic weather system, wind/gust system, day and night cycle, system failures and common 2D game elements combined: exquisite Hand-drawn maps, custom aircraft textures and interesting game mechanics. As it contains three flight modes, the simulator provides a variety of challenges to test the player's flying ability to the limit. 1. Free flight provides a sandbox-like experience, allowing players to decide their own goals and enjoy the fun of flying an airplane while exploring the environment. 2. 3. Air transportation can transport passengers and cargo from the departure airport to the destination airport. The challenge in performing air transportation missions, in addition to the consequences of a greatly increased aircraft weight, is to fly as stably as possible to avoid damaging the cargo or injuring the passengers on board. 3. Landing challenge, players have to make a perfect landing at the target airport. The score after the flight will show the landing quality by considering various flight indicators. "Flight Simulator 2d" is easy to learn but difficult to master, and it also includes an in-depth flight manual, covering all the basics from how to fly any aircraft in the game to detailed instructions on aircraft and cockpit components. Divided into different chapters, the flight guide is still easy to navigate, proving that it is convenient even for experienced players. FS2d is the perfect choice for flying enthusiasts. FS2d is more than just a mobile game. Not only does it guarantee endless fun, due to all the tasks and challenges, it also allows a convincing level of realism that all flying enthusiasts are familiar with, thanks to 10+ different flight warning indicators, aircraft destruction physics, Stall mechanism, multi-stage flap system, based on aircraft engine behavior and other functions. The flight simulator also includes 8 hand-painted propellers and jet airplanes, each of which has its own fine-tuned flight characteristics. FS2d is the best choice for gamers. Numerous game features make this simulation game attractive to any player. The integrated star system scores the player’s flying ability, the gifts that appear randomly every day, and the different flight enhancement cockpit upgrades, all add a layer of challenge for players to improve their flying skills. Finally, "FS2d" is very suitable for anyone who wants to play a pleasant game to kill time. The promise of this game is to keep annoying ads to a minimum and provide everyone with a fair chance to enjoy the game without paying real money. The currency in the game can be obtained by completing challenges, covering all the basic functions in the game. Of course, players can choose to improve their flying experience by purchasing new maps, aircraft and upgrades, while supporting the development of the game.