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Roblox Corporation has been ranked on Pocket Gamer.biz ' s top lists of mobile game developers, placing sixth in 2018, [30] eighth in 2019, [31] and sixth in 2020. [32] Fortune featured it as one of the best small and medium-sized workplaces in the San Francisco Bay Area, placing it sixteenth in 2019 and fortieth in 2021.
Roblox began to grow rapidly in the second half of the 2010s, and this growth was accelerated by the COVID-19 pandemic. [11] [12] Roblox is free to play, with in-game purchases available through a virtual currency called Robux. As of August 2020, Roblox had over 164 million monthly active users, including more than half of all American children ...
Executor is a rocket engine developed by ARCA [1] for use on its Haas rocket series and on IAR 111 Excelsior supersonic airplane. Executor uses kerosene [2] and liquid oxygen as propellants in a gas-generator power cycle. The injector of Executor is of the pintle type that was first used in the Apollo Program for the lunar module landing engine.