Considering not much has changed since the flash game back in 2004, N + + has some inspired level design that finds constant variations in the formula to keep things interesting. (gamesradar.com)
The flexibility of this exercise allows for constant variations to be made (mentioned above) resulting in a broader ability to handle and react to unfamiliar loads and forces. (blog.trainheroic.com)
Only negative - terrible water pressure in the shower and constant variation in temperature made for some interesting showers! (cairnsaccommodation.com)