47		BlockOut II (Windows, 2007)
45		Cobi Treasure Deluxe (Windows, 2007)
44		Drop and Blow (Windows, 2006)
44		Odd Box (Windows, 2006)
44		μTorrent (included game) (Windows, 2008)
44		Alexey's Dwice (Windows, 2006)
44		Roogoo (Windows, 2008)
44		Lumines: Puzzle Fusion (Windows, 2008)
43		Log(Hic!) (Windows, 2005)
43		Betty Boop: Super Sweets (Windows, 2009)
42		Incadia (Windows, 2004)
42		Super PileUp! (Windows, 2004)
42		Columns III: Revenge of Columns (Windows, 2010)
42		Bloxter (Windows, 2004)
42		SmileTris 3 (Windows, 2004)
42		Flipster (Windows, 2004)
41		Delidash (Windows, 2003)
41		SmileTris 2 (Windows, 2003)
41		Squigs 3 (Windows, 2003)
40		1993tris (DOS, 1993)
40		On Disk Monthly's Circuitry (DOS, 1992)
40		Zyconix (DOS, 1992)
40		Zottris (DOS, 1992)
40		Windoze (DOS, 1994)
40		Connectris (DOS, 1996)
40		Wordtris (DOS, 1991)
40		Slot-Tris (DOS, 1995)
40		Xixit (DOS, 1995)
40		Hextris (DOS, 1991)
40		Stack Up (DOS, 1994)
40		Beyond Columns (DOS, 1989)
40		Fructus (Windows, 1996)
40		Drop Mania (Windows, 1999)
40		Puzzle Station (Windows, 2000)
40		Triptych (Windows, 2002)
40		Super Puzzle Fighter II Turbo (Windows, 1998)
40		Baku Baku Animal (Windows, 1996)
40		Faces ...tris III (DOS, 1990)
40		Frac (DOS, 1990)
40		Slydris (Windows, 2012)
40		DoubleLink (DOS, 1991)

Notes: Games similar to Touhou Battle Gaiden, Games like Touhou Battle Gaiden, Summer Limit, Summer Limit, Windows, Puzzle, Falling Block Puzzle, Real-Time, PC, Game Similarities.