[CS: Source] Включаем bet на сервере

Идем в mani_server.cfg, находим строку:
// Module : Betting Module и меняем на это:

// Module : Betting Module
//
// Desc : This module is a simple betting module similar to the Mattie***s
// event script by ajax though not as complex.
// *********************************************************************** ******
// 0 = Disable betting, 1 = Enable betting
mani_css_betting 1

// 0 = Players can bet when alive or dead, 1 = Players can only bet when dead
mani_css_betting_dead_only 1
// This determines if a in a x vs 1 situation if the single player who the
// odds are against wins, they receive the losing wager pot.
// The setting determines at what number of players that this option applies
// e.g 5 vs 1, you would set it to 5, 3 vs 1, set it to 3.
// In the example of 5 vs 1. If the total bets made total $4000 for the team of
// 5 and they lose, the player who killed all 5 will receive the $4000 that was
// wagered against that player.
mani_css_betting_pay_losing_bets 1
// 0 = No announcement, 1 = announcement made to place bets
mani_css_betting_announce_one_v_one 0

Перезагружаем сервер и готово!