Golbat evolves to Crobat when leveled up with high friendship. Train Golbat to level 23 and it will automatically evolve.
According to some gamers, the most effective way to raise Golbat's happiness are:
Use him in battles and win. Do not let him faint because that lowers happiness.
Speed up the process by making him hold soothe bell.
If you are catching a new one, use a luxury ball. It also speeds up the happiness gain.
Happiness is modified in the following ways:
Gaining a level (+5 for happiness value range 0-99,) (+3 for happiness value range 100-199) (+2 for happiness value range 200-254)
Walking 256 steps (+1)
Vitamins (+5 for happiness value range 0-99,) (+3 for happiness value range 100-199) (+2 for happiness value range 200-254)
Catching a Pokemon in a Luxury Ball (+1 for every positive event)
Using Soothe Bell (+1 for each other positive event)
Energypowder (-5)
Heal Powder (-5)
Energy Root (-10)
Revival Herb (-15)
Faint (-1)
Trading a Pokemon (reset to 70)
In Pokemon buzz, after nine years of work on Pokémon Uranium, the fans who made it have removed all download links for the game from their website (h/t Christian), saying they want to respect Nintendo’s wishes that the game no longer be distributed, despite the fact that (according to them) it’s already been downloaded 1.5 million times.
Although the developers say they themselves haven’t received any cease & desist letters from Nintendo’s lawyers yet, they’ve “been notified of multiple takedown notices” and don’t want to take any risks. “While we have not personally been contacted, it’s clear what their wishes are, and we respect those wishes deeply,” they said in a statement on their website. Read more of the news at Kotaku.