What makes Urban Rivals become addictive is the way you expand your collection through opening a booster pack. In order to acquire one pack, you need to collect or purchase credits.

There are different ways on how to make Urban Rivals credits. Here’s how:
If you are rich enough and have your own credit card, you can easily purchase credits through Paypal, Visa, Moneybookers.com and Ultimate Game Card.
Here’s the tip:
If you’re residing in the Philippines wanted to purchase UR credits but do not own a credit card, you can easily buy through the Ultimate Game Card using Loadcentral which you can easily see on internet cafes such as Netopia.
As far as I know, for every Php 500, you can get about 120 credits or 6 booster packs. And because you already purchase a credit, you can now sell your cards publicly and privately giving you the oppurtunity to buy and sell card to earn clintz.
Secondly. Try to play Urban Rivals Daily Tournaments.
Daily Tournaments can be classified into 3 kinds. The TYPE I, TYPE II, and the ELO Mode.
Based on their website, they organize 12 Tournaments everyday in which you can win Clintz and Credits.
If you wish to take part, all you need to do is play during the Tournament period in one of the Tournament rooms with a Deck that is valid for that room: Type I, Type II, ELO, etc. (Game modes and Deck formats)
There is one Tournament every two hours, lasting one hour; it’s as simple as that.
After each tournament, the randomness option of rooms in normal mode (not ELO etc.) that are valid for Tournaments, will alternate between “normal” and “non random”.
Daily schedule based on your time zone, GMT +8:
[07:00 - 08:00], [09:00 - 10:00], [11:00 - 12:00], [13:00 - 14:00], [15:00 - 16:00], [17:00 - 18:00]
[19:00 - 20:00], [21:00 - 22:00], [23:00 - 00:00], [01:00 - 02:00], [03:00 - 04:00], [05:00 - 06:00].
Your goal in a Tournament is to score as many battle points as possible during the course of the Tournament.
Note that the general rules regarding how you win battle points are altered during Tournaments in order to keep them as fair as possible. The current alterations are indicated at the bottom of the page.
When the Tournament is over, the prizes will be distributed according to the prize distribution rules specified below.
Clintz jackpot:
Starts at 10000 Clintz and increases after each battle by adding the double of the Clintz won in the battle.
1st - 5th: 2% each (example for a 350 000 Jackpot: 7 000 Clintz)
6th - 10th: 1% each (example for a 350 000 Jackpot: 3 500 Clintz)
11th - 25th: 0.4% each (example for a 350 000 Jackpot: 1 400 Clintz)
26th - 50th: 0.3% each (example for a 350 000 Jackpot: 1 050 Clintz)
51st - 100th: 0.2% each (example for a 350 000 Jackpot: 700 Clintz)
101st - 150th: 0.1% each (example for a 350 000 Jackpot: 350 Clintz)
151st until the end: 50 Clintz min each (example for a 350 000 Jackpot: 76 Clintz)
The 1st player will also receive a bonus of 1 000 Clintz
Free Credits:
All the players from the top 1/3 of the Tournament will win 1 Credit(s). (ex: 1st->1000th /3000)
On the other hand, try to play ELO Mode for the chance to win lots of clints and about 50 credits.
The rules of ELO is much complicated. Feel free to read below.
The ELO system is a special game mode for players with level 15 or above in which you can win Collector & Rare cards as well as Clintz and Credits.
The rules of ELO are designed for a more strategic gameplay based on Deck building.
To play in ELO mode, you must have a Deck valid for the ELO Deck Format and play in one of the ELO rooms.
There is one ELO Tournament per week. Every player starts the Tournament with an ELO value of 1000.
At the end of every ELO battle, you’ll win or lose ELO points according to your opponent’s ELO value and double the number of Clintz earned in the battle will be added to the ELO Clint Jackpot.
At the end of the Tournament, every player with an ELO value over 1000 will win a prize. Then everybody is reset to 1000.
Rules for Type Elo
* Your Deck cannot contain fewer than 8 characters.
* The sum of the character levels in your Deck must not exceed 25.
* Your Deck must not contain the 1 following Clans:
* Your Deck cannot contain any of the characters forbidden in ELO.
* Your Deck cannot contain any double characters.
Other ELO rules:
* The list of characters currently banned in ELO is:
Wee Lee, Jackie, Lyse Teria Cr, Vickie Cr, Kiki Cr, General Cr, DJ Korr Cr, Tanaereva, Guru Cr, GraksmxxT, Lamar Cr, Alec.
* The Clan that is banned changes from week to week depending on who was the dominant clan in the previous week’s ELO tournament.
* You can only challenge an ELO player with an ELO value between -50 and +150 of your ELO value.
ELO Tournament prizes:
* [Cards] 1 Collector card(s) for 12 random players from the ELO Tournament Top 100
* [Cards] 1 Rare card(s) for 50 random players with more than 1200 ELO points
* [Credits] the 1st wins 50 Credits.
* [Credits] the 2nd to 25th win 20 Credits.
* [Credits] Players beyond 25th, over or equal to 1300 ELO, win 10 Credits.
* [Credits] Players beyond 25th, over or equal to 1200 ELO and below 1300 ELO, win 5 Credits.
* [Credits] Players beyond 25th, over 1000 ELO and below 1200 ELO, win 2 Credits.
* [Clintz] 1st wins 4% of the Clintz Jackpot.
* [Clintz] 2nd wins 2% of the Clintz Jackpot.
* [Clintz] 3rd wins 1% of the Clintz Jackpot.
* [Clintz] 4th to in 0.5% of the Clintz Jackpot.
* [Clintz] 11th to in 0.25% of the Clintz Jackpot.
* [Clintz] Players beyond 25th and over 1200 ELO split the remaining 86.25% of the Clintz Jackpot according to their ELO scores.
* [Clintz] Players beyond 25th and over 1000 ELO with at least 5 games played receive 150 Clintz (not taken from the Clintz Jackpot).
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