Lines (aka color balls) that can be played with monochrome (black and white) display or by colorblind people (daltonists):

MONOCHROME LINES

v3.0
freeware game for Windows written by Miodrag Malović 1999.

Features: Not purely random placement of new balls - less empty fields you have, more they tend to appear close to the edges and on the side of the board which is more full 6-8 (recommended: 7) different balls (colors) Local high scores tables for each mode (protected by encryption and checksum) Runs in resizable window

What's the difference between well known DOS lines game and Monochrome Lines?

• You get 2 points for each ball removed from the board, doesn't matter how many of them you removed in a move. If you pass, you get 1 point.
• You do get points if computer creates you a line by randomly placing new balls at proper positions.
• You can choose between 6,7, and 8 different types (colors) of balls. Recommended number is 7.
• Make sure you check out the options menu and instructions after you start the game.

Unfortunately high scores list will not be maintained as of 2007.

» 6-BALLS GAME «
score	who	where	when
4040	Miodrag	Belgrade, Serbia	17-Mar-01
2474	Michael Schüller	Cologne, Germany	15-Jul-05
2180	Gnome of Zurich	Seattle, WA, USA	09-May-04
1878	Olga Rybnikova	Hamburg, Germany	12-Nov-99
1616	Evil Erg	Boston, MA, USA	21-Aug-99
1608	Brian Bitto	Monroe, Michigan, USA	20-Aug-99
1522	Michael Allen Gelman	Asheville, North Carolina, USA	05-Feb-01

» 7-BALLS GAME «
score	who	where	when
1388	Olga Rybnikova	Hamburg, Germany	12-Nov-99
1206	Michael Schüller	Cologne, Germany	18-Jun-06
1022	Miodrag	Belgrade, Serbia	27-Feb-01
885	Gnome of Zurich	Seattle, WA, USA	07-Sep-02
606	Brian Bitto	Monroe, Michigan, USA	24-Aug-99
452	Michael Allen Gelman	Asheville, North Carolina, USA	05-Feb-01
174	Evil Erg	Boston, MA, USA	21-Aug-99

» 8-BALLS GAME «
score	who	where	when
716	Olga Rybnikova	Hamburg, Germany	12-Nov-99
696	Michael Schüller	Cologne, Germany	18-Jun-06
678	Miodrag	Belgrade, Serbia	06-Mar-01
630	Gnome of Zurich	Seattle, WA, USA	02-May-06
314	Brian Bitto	Monroe, Michigan, USA	24-Aug-99
292	Michael Allen Gelman	Asheville, North Carolina, USA	05-Feb-01
180	Evil Erg	Boston, MA, USA	21-Aug-99