This week’s list of the fastest-growing Facebook apps still under a million monthly users is pretty well packed with games, but we’ll try to point out the few non-game apps to be seen, while also picking out some interesting games.

As you can see by looking at the top of the list, city life is the theme, with Big City Life and Nightclub City bracketing Translations — which only appeared because of a stats error. Playdom built Big City Life, and also has its fingers in Jungle Life through its Metrogames investment.

Here’s the AppData top 20 list:

	Name	MAU	Gain	Gain, %
1.	Big City Life	711,997	+471,481	+196.03
2.	Translations	426,955	+426,308	+65,889.95
3.	Nightclub City	361,981	+273,370	+308.51
4.	Jungle Life	264,271	+214,062	+426.34
5.	Lettr’IQ	184,347	+173,182	+1,551.12
6.	天書奇談 2.0	681,465	+109,590	+19.16
7.	Pet Forest Online	449,292	+108,976	+32.02
8.	My Vineyard	496,918	+107,549	+27.62
9.	My Casino	445,595	+102,914	+30.03
10.	機器人 大戰	287,755	+97,120	+50.95
11.	Friend of the Day!	633,645	+96,528	+17.97
12.	Profile Box	199,355	+93,520	+88.36
13.	Welcome Tab for pages	209,181	+91,282	+77.42
14.	NanoStar Siege	269,157	+90,349	+50.53
15.	Treasure Quest	105,114	+83,383	+383.71
16.	What is your soul like?	119,689	+79,460	+197.52
17.	MonstrosCity	231,923	+76,244	+48.98
18.	( Fupa Games ) – Arcade Blitz	290,250	+74,072	+34.26
19.	Football Mania	266,425	+73,662	+38.21
20.	Snaptu	879,758	+69,519	+8.58

Lettr’IQ is worth a try even for those who don’t consider themselves gamers; it describes itself as a “mix between Tetris and Scrabble”. Unfortunately, the French / English-language game appears to be a bit spammy. And on that sad note, we’ll save the rest of the genre’s commentary for our post at Inside Social Games.

Down at number 11, we find our first real app, Friend of the Day!, which is quite similar to Lover of the Day in that it just picks out a random friend to make a wall post about.

Profile Box is a lot more creative: it allows users to add a custom content tab to their page. And that app is followed directly after by Welcome Tab for pages, which claims to be better than Facebook’s in-house Static FBML app for both creating and watching over a custom Page.

The only other significant non-game app today is Snaptu, a mobile connection app that’s older than anything else on the list, having just passed a year in operation. But following a long plateau, its user numbers finally appear to be creeping up again.